Commercial Building - Footing

• Determine if the soil has the minimum bearing capacity as designed. Check geotechnical test results.
• Verify that the soil in the area of the footings is consistent (No soft spots, color changes, exposed strata, debris, or water).
• Verify that weather conditions are suitable for placing concrete or that proper precautions are used to adjust for adverse conditions.
• Compare actual dimensions with those on approved drawings.
• Determine if the bottom of the footing is below the frost line; unless otherwise protected (30" below finished grade).
• Verify that the ground wire or horizontal ground rod is in place where applicable.
• Verify that reinforcement steel is placed in accordance with approved drawings.
• Verify that approved dowels are in place where required.
• Prior approval must first be obtained when professional third party inspectors are used. Submit the engineer's certification to the Building Inspections office as soon as possible. All engineer's certificatiions shall list the building address, permit number and have the engineer's original stamp and signature. Fax # 410-313-1861.

Commercial Building - Slabs

• Determine if the required base material is four inches thick and consists of clean, graded sand, gravel, crushed stone or crushed slag.
• Determine if a vapor retarder is provided and that it is a 6 mil visqueen vapor retarder with joints lapped not less than six inches and placed at the bottom of the slab.
• Determine if the slab thickness and reinforcement is in accordance with design criteria and compares favorably to approved plans.
• Verify that the concrete mix will result in a compressive strength equal to the design criteria. (Check Delivery Tickets)
• Verify that required and approved perimeter slab insulation is installed properly.
• Verify that all requirements to the approved plans have been met.

Commercial Building - Framing

• Compare joists species, grade, size, clear span and spacing of the joists with design specifications, approved drawings, codes, and manufacturers details.
• Compare headers and girders species, grade, size, clear span and spacing of the joists with design specifications, approved drawings, codes, and manufacturers details.
• Determine if the length of the bearing point is at least 1½ inches if the supporting element is wood or metal, or at least 5 inches if masonry.
• Determine if the joists are supported by an approved and properly installed joist header or ledger strips at least 2 inches by 2 inches, where joists are framed into the side of a wood beam or girder.
• Verify that there are no notches in the middle 1/3 of any joist span.
• Verify that notches on the ends of the joist do not exceed ¼ the depth of the joist.
• Verify that notches between the ends and middle 1/3 of the span do not exceed 1/6 the depth of the joist.
• If the top notches in the ceiling joists exceed 1/6 of the joist depth, then verify that they are located no further than the joist depth from the face of the support and that they do not exceed 1/3 of the joist depth.
• Verify that notches are not longer than 1/3 of the joist depth.
• Verify that the tension side of the member is four inches or greater in nominal thickness and is not notched, except at the ends of the member.
• Check that there are no bored holes within two inches of the top or bottom of the joist.
• Confirm that the diameters of bored holes do not exceed 1/3 of the depth of the joist.
• Check that there are no holes within two inches of another hole or notch. Determine if the joists are toe nailed to the sills or girders with at least 3-8d nails.
• If posts are used to support beams and girders, then determine if positive connections are installed.
• Determine if the joists parallel to the bearing walls above are doubled OR an equivalent beam is used as a minimum.
• Determine if the header span is greater than four feet. If so, then the header is to be at least doubled.
• Determine if approved joist hangers are used to connect the header and trimmer joists for header joist spans greater than six feet.
• Determine if the ends of the joists NOT over an intermediate support, are laterally supported by full-depth, 2-inch thick solid blocking, a header, band or rim joist, or to adjoining stud.
• Ensure that 6' - 8' minimum headroom exists in all stairways.
• Verify that floor penetrations are properly fire safed with approved materials.
• Verify that spray on fire protection for structural steel members is applied completely.
• Verify that exterior wall veneer balloon framing is properly fire stopped.
• Verify that interior shaft walls are configured per the approved plan.
• Verify that Plumbing, Electrical and Fire Protection rough-in inspections have been approved. 

Commercial Building - Final

Exterior Inspections

• Ensure that the bold, readily visible, street address is posted. Numbers/letters should be 6 inches minimum in height.
• Verify exits are properly identified with exit signs and have required hand / guardrails.
• Verify Handicapped accessibility is properly installed (correct slope) and identified; signs have minimum 7 foot clearance from ground.
• Collect all required structural certifications as enumerated on Plan Reviews approval letter.
• Ensure that sediment control measures are protecting adjoining properties.
• Ensure that the finished grade, down spouts, and splash blocks are directed away from the building.
• Determine that the lot improvements, i.e., paving, walks, storm water facilities, entrance culverts, landscaping, miscellaneous structures, etc., are in substantial compliance with the permit documents.
• Determine that the building is sealed against moisture penetration, i.e., painting, caulking and flashings.
• Determine that chimneys and flues are terminated in accordance with applicable codes and manufacturers instructions.
• Ensure that approved window screens are in place, where applicable.
• Ensure that no emergency vehicles or private homeowner access to the new building is hindered by construction materials or equipment.

Interior Inspections

• Ensure that all required inspection approvals have been secured, i.e., Plumbing, Electrical, HVAC, Fire Protection and Grading (when applicable).
• Verify floor levels in stair towers are properly identified.
• Ensure that the basement is DRY.
• Determine that handrails and guardrails are installed, where required, at the proper elevations with the required maximum picket/dowel spacing, and that the handrails have the proper handgrip sections, are continuous and are terminated correctly.
• Ensure that there are interconnected, approved battery backup smoke alarms in each sleeping room, outside of each area in the vicinity of the bedrooms and on each additional story of the dwelling, including the basement (when applicable).
• Determine that safety glazing is installed in all hazardous locations including hinged, fixed, sliding and storm doors, in fixed panels adjacent to doors, along walking areas (except when horizontal bar is used), in showers and tub enclosures and any glazing less than 60 inches above a drain inlet of a shower or tub.
• Ensure that the insulation package has been completed in all spaces including crawl spaces, basements, and attics.
• Ensure that 6'8" minimum headroom still exists in all stairways.

Residential Building - Footing

• Determine if the soil has a minimum bearing capacity of 2000 psf or if the footing is designed to engineering standards.
• Verify that the soil in the area of the footings is consistent (No soft spots, color changes, exposed strata, debris, or water).
• Verify that weather conditions are suitable for placing concrete or that proper precautions are used to adjust for adverse conditions.
• Compare actual dimensions with those on approved drawings.
• Determine if the bottom of the footing is below the frost line; unless otherwise protected (30" below finished grade).
• Verify that the ground wire or horizontal ground rod is in place where applicable.
• Verify that reinforcement steel is placed in accordance with approved drawings.
• Verify that approved dowels are in place where poured foundation walls are used.
• Prior approval must first be obtained when professional third party inspectors are used. Submit the engineer's certification to the Building Inspections office as soon as possible. All engineer's certifications shall list the building address, permit number and have the engineer's original stamp and signature. Fax # 410-313-1861.

Residential Building - Slabs

• Determine if the required base material is four inches thick and consists of clean, graded sand, gravel, crushed stone or crushed slag.
• Determine if a vapor retarder is provided except for slabs located in a detached garage, utility building, or unheated accessory structure.
• If a vapor retarder is required, then determine if it is a 6 mil visqueen vapor retarder with joints lapped not less than six inches and placed at the bottom of the slab.
• Determine if the slab is a minimum of 3½ inches thick.
• Verify that interior concretes compressive strength at 28 days is at least 2,500 psi and 3,000 psi air entrained, when exposed to weather conditions. (Check delivery tickets)
• Check and note how the radon depressurization method will be vented: Gas tight “T” into aggregate or through the sealed sump cover.
• Verify that required and approved perimeter slab insulation is installed properly. 

Residential Building - Framing

• Compare joists species, grade, size, clear span and spacing of the joists with design specifications, approved drawings, codes, and manufacturers details.
• Compare headers and girders species, grade, size, clear span and spacing of the joists with design specifications, approved drawings, codes, and manufacturers details.
• Determine if the length of the bearing point is at least 1½ inches if the supporting element is wood or metal, or at least 5 inches if masonry.
• Determine if the joists are supported by an approved and properly installed joist header or ledger strips at least 2 inches by 2 inches, where joists are framed into the side of a wood beam or girder.
• Verify that there are no notches in the middle 1/3 of any joist span.
• Verify that notches on the ends of the joist do not exceed ¼ the depth of the joist.
• Verify that notches between the ends and middle 1/3 of the span do not exceed 1/6 the depth of the joist.
• If the top notches in the ceiling joists exceed 1/6 of the joist depth, then verify that they are located no further than the joist depth from the face of the support and that they do not exceed 1/3 of the joist depth.
• Verify that notches are not longer than 1/3 of the joist depth.
• Verify that the tension side of the member is four inches or greater in nominal thickness and is not notched, except at the ends of the member.
• Check that there are no bored holes within two inches of the top or bottom of the joist.
• Confirm that the diameters of bored holes do not exceed 1/3 of the depth of the joist.
• Check that there are no holes within two inches of another hole or notch. Determine if the joists are toe nailed to the sills or girders with at least 3-8d nails.
• If posts are used to support beams and girders, then determine if positive connections are installed.
• Determine if the joists parallel to the bearing walls above are doubled OR an equivalent beam is used as a minimum.
• Determine if the header span is greater than four feet. If so, then the header is to be at least doubled.
• Determine if approved joist hangers are used to connect the header and trimmer joists for header joist spans greater than six feet.
• Determine if the ends of the joists NOT over an intermediate support, are laterally supported by full-depth, 2-inch thick solid blocking, a header, band or rim joist, or to adjoining stud.
• Ensure that 6' - 8' minimum headroom exists in all stairways.

Roof Framing Inspections

Special Note: All approved building permit drawings, manufacturers shop drawings and details, necessary certifications and prior approval of location survey submission must be in place prior to requesting this roof framing inspection.

• Compare rafter size, span, species, grade, and spacing with design specifications/drawings and code.
• Examine rafter lumber four inches and wider to verify that there are no notches on the tension side EXCEPT at either end.
• Examine rafters to verify that there are NO notches in the middle 1/3 of the span, and notches located in the top or bottom of the rafters do NOT exceed 1/6 the rafter depth. Verify that notches are no longer than 1/3 of the rafter depth.
• Examine end notches to determine that they do NOT exceed ¼ the depth of the rafter.
• Examine rafters to determine that there is NO bored hole within two inches of the top or bottom of the rafter or within two inches of another hole or notch.
• Examine bored hole (more than two inches from the top OR bottom of the rafter) to determine that the hole diameter does NOT exceed 1/3 the depth of the rafter.
• If there are notches on cantilevered rafters, verify that the remaining portion of the rafter is not less than four inch nominal and the length of the cantilever is not more than 24 inches.
• If rafter ties are used, then verify that:
• 1. Rafter ties are not more than 4' - 0" on center;
  2. Face nailed to rafter with 3-8d nails;
  3. Tie is a minimum of a 1 x 4. 
• Determine that roof rafters are toe nailed to plate with 2-16d nails.
• Examine the ridge board to determine that the thickness is at least one inch nominal AND that the depth is not less than the cut end of the rafter.
• Determine that the roof rafters are toe nailed to ridge board with 4-16d OR face nailed with 3-16d nails. If there is no ridge board, then the rafters must be framed together with a gusset plate.
• If there are hip and valley rafters, then determine that the thickness is not less than two inches nominal and that the depth is not less than the cut end of the roof rafter.
• Determine if the roof rafters are toe nailed to hip and valley rafters with 4-16d nails or face nailed with 3-16d nails.
• Determine if the end of each rafter has at least 1½ inches of bearing on wood OR three inches of bearing on masonry.
• Determine if the rafters having a depth to thickness ratio exceeding 5:1 have lateral support at bearing points to prevent rotation.
• If the rafters have a nominal depth to thickness ratio exceeding 6:1, determine if the rafters are laterally supported by either solid blocking, diagonal bridging (wood or metal), OR 1 x 3-inch bridging nailed to the rafter at intervals no more then 8 feet.
• If the header in the roof opening is greater than four feet, then determine if the header and trimmer rafters are doubled and approved joist hangers are used to connect the header to rafters.
• Determine if the roof truss is built and installed to comply with the manufacturers design truss drawings.
• Determine if the roof truss is braced per truss design drawings.
• Check that NO roof truss member is cut, notched, drilled, spliced OR altered, unless approved by a registered design professional.
• Determine if the trusses are bearing at the proper bearing points marked on the truss.
• Determine that the girder trusses are fastened together to comply with the manufacturers design.
• Ensure that a minimum 22" x 30" attic access is provided and that an elevated platform and catwalk is provided for equipment maintenance with the service areas 30" x 30" minimum, when applicable.

Wall Framing Inspections

Special Note: All approved building permit drawings, manufacturers shop drawings and details, necessary certifications and prior approval of location survey submission must be in place prior to requesting this wall framing inspection.

• Compare bearing studs (size, spacing, grade, and species) to the requirements indicated on the approved plans and code tables.
• Determine that exterior walls have a top plate that is doubled and overlapped at the corners and intersects with the bearing walls. The top plate end joints must have a 24 inch minimum offset.
• If a single top plate is used, check that it is tied at joints, corners and intersecting walls with a 3-inch x 6-inch x 0.036-inch-thick galvanized steel plate nailed to each wall with 8-16d nails AND rafters or joints are centered within one inch of supporting studs.
• Determine that the cripple walls are less than 14 inches in height and are sheathed with plywood or structural panels on at least one side and attached to both top and bottom wall plates or constructed of solid blocking.
• If the foundation cripple walls exceed four feet in height, determine if the stud framing complies with the size requirements for an additional story by code.
• If the notches in the top plates exceed 50 percent of their width, then verify that the top plate is reinforced with a galvanized metal tie not less than 0.054 (16 gage) inch thick and 1.5 inches wide fastened across the cut plate with 6-16d nails (three at each end).
• Compare the actual headers and spans to the building code table for maximum spans allowed.
• Determine if a 1 x 4-inch let-in or approved metal strap bracing is located at each corner (end) AND at least every 20 feet on center.
• Determine if each 1 x 4-inch brace is:      
  1. Placed at an angle from horizontal between 45 and 60 degrees.
  2. Let into both top and bottom plates and adjoining studs.
  3. Correctly fastened. Correctly fastened.
  4. If metal bracing is used, then verify that the metal braces are installed and mounted in accordance with the manufacturer’s specifications and/or installation instructions. 

Residential Building - Draintile

• Determine if drain tiles or pipes are installed at or below the area to be protected.
• Determine if drain tiles or pipes discharge into an approved drainage system (sump pit or daylight).
• Determine if drain tiles or pipes are covered by at least six inches of gravel.
• If interior drain tile is used in lieu of exterior, ensure that 2" diameter pipes 4' on center are extended through foundation into a filter material covered stone filter on the exterior side.
• Determine that all exterior drain tile and gravel is protected with filter material prior to backfill.
• Determine that adequate crawl space ventilation is provided.
• Verify that required and approved emergency escape and rescue window(s) or exterior door(s) are provided in all new basements. 

Residential Building - Insulation

• Ensure that insulation is applied to the band/rim board above the basement walls.
• Determine that crawl space is adequately ventilated and the floor system is insulated to R-19 with the vapor barrier facing the warm side.
• Ensure that all basement walls exposed to the exterior temperatures are insulated to R-10 and faced with an approved vapor barrier.
• Ensure that all penetrations in the basement walls and ceiling are sealed with approved sealants.
• Ensure that any access to crawl space is sealed with a tight fitting gasketed panel.
• Ensure that any plumbing pipes projecting into the crawl spaces are protected against freezing and all duct work within the crawl spaces are properly insulated.
• Ensure that all exterior walls are insulated to R-20.
• Ensure that all wall penetrations, i.e., windows, pipes, etc., are chinked and sealed.
• Ensure that all fire stopping is in place, i.e., between floors, bulkheads, under tubs, fireplace flues, pipes, etc.
• Ensure that ventilation baffles are installed for blown-in insulation and where cathedral ceilings are used.
• Determine that adequate attic ventilation is provided, i.e., gable end vents, ridge venting, soffit venting, mechanical venting, etc.
• Ensure that sprinkler pipes are blanketed.
• Ensure that roof is insulated to R-49 and that mechanical equipment and ducts do not hinder this performance requirement.
• When an attic area exceeds 30 square feet and has a clear height of 30 inches or more, then determine if a readily accessible attic access opening measuring at least 22 by 30 inches has been provided.
• Verify that insulation shields are installed around all class A & B flue vents and extend at least 2" above the insulation in the attic. 

Residential Building - Final

• Ensure that the street address is posted. Numbers/letters should be 3 inches in height minimum.
• Ensure that sediment control measures are protecting adjoining properties.
• Ensure that the finished grade, down spouts, and splash blocks are directed away from the building.
• Determine that the lot improvements, i.e., paving, walks, storm water facilities, entrance culverts, landscaping, miscellaneous structures, etc., are in substantial compliance with the permit documents.
• Determine that the building is sealed against moisture penetration, i.e., painting, caulking and flashings.
• Determine that chimneys are terminated in accordance with applicable codes and manufacturers instructions.
• Ensure that no emergency vehicles or private homeowner access to the new home is hindered by construction materials or equipment.
• Determine that all required hand and guard rails are properly installed.

Interior Inspections

• Ensure that all required inspection approvals have been secured, i.e., Plumbing, Electrical, HVAC, Fire Protection and Grading (when applicable).
• Ensure that the basement is DRY.
• Determine that handrails and guardrails are installed, where required, at the proper elevations with the required maximum picket/dowel spacing, and that the handrails have the proper handgrip sections, are continuous and are terminated correctly.
• Ensure that there are interconnected, approved battery backup smoke alarms in each sleeping room, outside of each area in the vicinity of the bedrooms and on each additional story of the dwelling, including the basement.
• Determine that safety glazing is installed in all hazardous locations including hinged, fixed, sliding and storm doors, in fixed panels adjacent to doors, along walking areas (except when horizontal bar is used), in showers and tub enclosures and any glazing less than 60 inches above a drain inlet of a shower or tub.
• Ensure that the insulation package has been completed in crawl spaces, basements, and attics.
• Ensure that the enclosed accessible space under the stairs is protected with ½ inch drywall on the enclosed side.
• Ensure that 6' 8" minimum headroom still exists in all stairways.
• Ensure that stairs have 8¼ inch maximum risers and 9 inch minimum treads.
• Ensure that sump pit and crawl space access are sealed and that the radon vent pipes are labeled “Radon Reduction System” both in the basement and attic.
• Ensure that a required fire separation wall for an attached garage is complete. 

Residential Building - Fireplaces

• At the throat inspection, determine that required materials, thicknesses, and air space between the flue liner and the interior face of the masonry chimney wall are in place prior to starting up with the flues and the chimney.
• Ensure that the job supervisor and the mason are aware of the requirements for clearances to combustibles, and the termination dimensions outlined in the chimney details in the code.
• Determine that there is a proper chimney clean out in the chimney-only construction.
• Determine that the thimble is secure and does not extend beyond the wall of the liner.
• Ensure that the combustible concrete forms under the hearth have been removed.
• Determine that the adequately sized exterior combustion air supply is delivered through a listed combustion air duct, taken from below the firebox floor level and delivered to within 24 inches of the firebox opening on or near the floor.
• All masonry fireplace throat shall be parged smooth.

Factory-Built Fire Place and Chimney Inspections

• Determine that factory-built fireplaces and chimneys are listed, labeled, installed and terminated in accordance with the conditions of the listing and the manufacturers instructions.
• Ensure that the required floor-to-floor fire blocking is secure and tight.
• Ensure that clearances to combustibles are addressed. 

Residential Building - Pools

• Determine that bonding and grounding have been inspected and approved by an electrical inspector prior to allowing any concrete placement for foundations, walls, decks and slabs.
• Ensure that all reinforcement is in-the-clear and free from mud and dirt, when applicable.
• Determine that permanent or portable spas and/or hot tubs have adequate structural support.
• Ensure that the barrier requirements listed below are complied with:
  
   
  1. The top of the barrier shall be at least 48 inches (1219 mm) above grade measured on the side of the barrier which faces away from the swimming pool. The maximum vertical clearance between grade and the bottom of the barrier shall be 2 inches (51 mm) measured on the side of the barrier which faces away from the swimming pool. Where the top of the pool structure is above grade, such as an above ground pool, the barrier may be at ground level, such as the pool structure, or mounted on top of the pool structure. Where the barrier is mounted on top of the pool structure, the maximum vertical clearance between the top of the pool structure and the bottom of the barrier shall be 4 inches (102 mm).
  2. Openings in the barrier shall not allow passage of a 4-inch diameter (102 mm) sphere.
  3. Solid barriers which do not have openings, such as a masonry or stone wall, shall not contain indentations or protrusions except for normal construction tolerances and tooled masonry joints.
  4. Where the barrier is composed of horizontal and vertical members and the distance between the tops of the horizontal members is less than 45 inches (1143 mm), the horizontal members shall be located on the swimming pool side of the fence. Spacing between vertical members shall not exceed 1.75 inches (44 mm) in width. Where there are decorative cutouts within vertical members, spacing within the cutouts shall not exceed 1.75 inches (44 mm) in width.
  5. Where the barrier is composed of horizontal and vertical members and the distance between the tops of the horizontal members is 45 inches (1143 mm) or more, spacing between vertical members shall not exceed 4 inches (102 mm). Where there are decorative cutouts within vertical members, spacing within the cutouts shall not exceed 1.75 inches (44 mm) in width.
  6. Maximum mesh size for chain link fences shall be a 2.25 inch (57 mm) square unless the fence is provided with slats fastened at the top or the bottom which reduce the openings to not more than 1.75 inches (44 mm).
  7. Where the barrier is composed of diagonal members, such as a lattice fence, the maximum opening formed by the diagonal members shall not be more than 1.75 inches (44 mm).
  8. Access gates shall comply with the requirements of Items 1 through 7 above, and shall be equipped to accommodate a locking device. Pedestrian access gates shall open outward away from the pool and shall be self-closing and have a self-latching device. Gates other than pedestrian access gates shall have a self-latching device. Where the release mechanism of the self-latching device is located less than 54 inches (1372 mm) from the bottom of the gate, the release mechanism and openings shall comply with the following:
     
     
     1. The release mechanism shall be located on the pool side of the gate at least 3 inches (76 mm) below the top of the gate, and
     2. The gate and barrier shall have no opening greater than 0.5 inch (12.7 mm) within 18 inches (457 mm) of the release mechanism.
     
      
  9. Where a wall of a dwelling serves as part of the barrier, one of the following conditions shall be met:
     
     
     1. The pool shall be equipped with a powered safety cover in compliance with ASTM F1346; or
     2. All doors with direct access to the pool through that wall shall be equipped with an alarm which produces an audible warning when the door and its screen, if present, are opened. The alarm shall sound continuously for a minimum of 30 seconds immediately after the door is opened and be capable of being heard throughout the house during normal household activities. The alarm shall automatically reset under all conditions. The alarm system shall be equipped with a manual means, such as touch pad or switch, to temporarily deactivate the alarm for a single opening. Such deactivation shall last for not more than 15 seconds. The deactivation switch(es) shall be located at least 54 inches (1372 mm) above the threshold of the door; or
     3. Other means of protection, such as self-closing doors with self-latching devices, which are approved by the governing body, shall be acceptable so long as the degree of protection afforded is not less than the protection afforded by Item 9.1 or 9.2 described above.
     
      
  10. Where an above ground pool structure is used as a barrier or where the barrier is mounted on top of the pool structure, and the means of access is a ladder or steps, then:
      
       
      1. The ladder or steps shall be capable of being secured, locked or removed to prevent access, or
      2. The ladder or steps shall be surrounded by a barrier which meets the requirements of Items 1 through 9 above. When the ladder or steps are secured, locked or removed, any opening created shall not allow the passage of a 4-inch diameter (102 mm) sphere.
• When alarms are needed under Section 9, Howard County Inspections have approved three manufacturers model types; Poolguard door alarm www.poolspa.com/poolguard,Yardguard gate alarm and S.T.I. Safe Pool Alarms www.sti-usa.com.
• Determine that the electrical final inspection and plumbing final inspection (for when pool heater is installed) are approved prior to the final approval.  

Residential Building - Damproofing

• If masonry foundation walls enclose habitable or usable space, then verify that they are covered with 3/8 inch thick parging made of Portland cement from the top of the footing to finished grade.
• When parged masonry or concrete foundation walls enclose habitable or usable space, then verify that dampproofing of approved material is applied from footing to finished grade over the concrete or parged masonry walls.
• If a high water table or other severe soil water conditions exist, then verify that an approved waterproofing membrane was applied from the footing to the finished grade over the concrete or parged masonry footing walls. Membrane joints must be lapped and sealed.
• Determine that, if anchor bolts are used to secure the plate to the foundation wall, they are not more than six feet on center, not more than 12 inches from the end of each plate, and at least ½ inch in diameter.
• If other foundation anchorage is used, determine if it is an approved type and that it is installed per the manufacturers installation manual.
• Verify that required and approved emergency escape and rescue window(s) or exterior door(s) are provided in all new basements.
• Verify that crawl space is adequately ventilated.
• Ensure that the proper access is provided into the crawl-space; either 18 x 24 inches through the floor or 16 x 24 inches through the wall.
• Ensure that if the elevation inside the crawl-space is lower than the exterior finish grade that an approved drainage system has been installed.
• Verify using section R-404 of the International Codes that the masonry or concrete foundation wall supporting unbalanced fill are designed and installed properly

Residential Building - Sheathing

• Determine from the grade mark if the span rating and joists spacing are adequate.
• Determine if the panels are continuous over two or more spans and if the long dimension is perpendicular to the supports.
• Determine if the unsupported edges have tongue and groove joints OR blocking with lumber UNLESS a ¼-inch underlayment is installed OR a ¾-inch wood finish floor is used.
• If the panel is ¾ inch thick or less, then determine if 6d deformed nails or 8d common nails are spaced 6 inches on center at edges and 12 inches on center at intermediate supports.

Roof Sheathing Inspections

• Determine from the grade mark on the wood structural panel that it is an exterior type of sheathing and the span rating and joists spacing are adequate.
• Determine if the panels are continuous over two or more spans.
• Determine if the panel long dimension is perpendicular to the supports.
• Determine if the panel edges are supported with solid blocking or an approved edge support (panel clips).
• Check for grade mark and proper installation of fire-retardant-treated plywood, taking strength reduction factors into consideration.
• If the panel is 5/16 inch to ½ inch thick, then determine if 8d common nails spaced 6 inches on center at the edges, and 12 inches on center at the intermediate supports are in place.

Wall Sheathing Inspections

Special Note: Advise the job Supervisor that flashings and weep holes are required in all masonry walls, at foundations, over doors and windows, and as a protection for attached wood trim and decks.

• Determine from the grade mark if the particle board or plywood is designated for use as wall sheathing on the exterior.
• Determine that the maximum stud spacing is 16 inches for particle board and complies with the grade mark for plywood.
• Determine if all panel edges are supported.
• Determine if the particle board wall sheathing has 1/16-inch expansion gaps between each adjoining panel edge.
• Determine if 6d common nails spaced 6 inches on center at the edges and 12 inches on center at the intermediate supports are in place.
• If the panels are to be used for wall bracing, then determine if the type, locations, and amount of bracing is per Section R-602 of the IRC Code.
• When using structural thermo-ply or equivalent sheathing on exterior walls, ensure that spacing, nailing, and edge blocking comply with the manufacturers instructions.

Commercial Electrical

• Verify that ampacities and sizing of components other than overload devices are based on table values rather than nameplate values.
• Verify that conductor ampacities for individual motors are at least 125 percent of table FLC.
• Check conductors supplying multiple motors for ampacities equal to at least the sum of FLC’s plus 125 percent of largest motor.
• Verify motor overload protection does not exceed permitted values.
• Verify that motor branch circuit, short circuit, and ground fault protection does not exceed permitted values.
• Verify that motor feeder short circuit and ground fault protection does not exceed permitted values.
• Check motor control circuits for proper over current protection.
• Verify that motor controllers are provided for motors and that they are of the proper type and have adequate ratings.
• Check MCC’s for proper ratings, protection, workspace, and dedicated space.
• Verify that motor disconnects are of the proper type and rating.
• Verify that controller disconnects are in sight of controllers, are readily accessible, and have adequate workspace.
• Verify that motor disconnects are in sight of motors, are readily accessible, and have adequate workspace, or that controller disconnects are lockable.

Air-Conditioning and Refrigerating Equipment Inspections

• Identify equipment subject to Article 440-Equipment containing hermetic refrigerant motor compressor(s).
• Identify the applicable nameplate information for the equipment.
• Verify that conductors supplying several units are adequately sized.
• Verify that branch circuit conductor sizes are adequate based on the applicable nameplate information.
• Verify that conductors supplying several units are adequately sized.
• Verify that branch circuit overload protection is provided and properly sized.
• Verify that branch circuit, short circuit, and ground fault protection is provided and properly sized.
• Verify that feeder short circuit and ground fault protection is provided and properly sized where applicable.
• Verify that controllers have adequate ratings where they are not part of listed multi motor or combination load equipment.
• Verify that disconnecting means have ratings adequate for the equipment.
• Verify that the disconnecting means are within sight and readily accessible from the equipment, and that working spaces are adequate.
• Verify that conductors, receptacles, cords, and over current devices for room air conditioners are properly sized.
• Check for receptacles and adequate lighting for servicing of mechanical equipment.

Transformer Inspections

• Identify transformers that are covered by Article 450.
• Verify that over current protection for transformers over 600 volts is provided and properly sized.
• Verify that over current protection is provided for transformer primary conductors.
• Verify that over current protection is provided for transformer secondary conductors.
• Check transformer installations for adequate ventilation and spacing from walls and obstructions.
• Check transformers for ready access or proper installation in the open or in hollow spaces.
• Check indoor dry type transformers for separation from combustibles or, based on ratings, installation in fire resistant rooms or vaults.
• Check outdoor dry type transformers for weatherproof enclosures.
• Verify that liquid insulated transformers are installed in accordance with the requirements for the location and type of insulating liquid.
• Check transformer vaults for adequate construction, access, ventilation, and drainage, and for foreign systems in vaults.

COMMERCIAL AND INDUSTRIAL
SERVICES, FEEDERS AND BRANCH CIRCUITS

• Verify that each building or structure has only one service, or if more than one, that additional services are justified.
• Verify that each service drop or lateral serves only one set of service entrance conductors, or if more than one, that the additional sets are justified.
• Check clearances from building openings, grade, roadway, roofs, and swimming pools.
• Verify that the point of attachment for an overhead service drop is adequate and will provide minimum clearances.
• Verify that masts used as supports for service drop conductors have adequate strength and are not used to support other conductors or equipment.
• Verify that supports for service conductors passing over a roof are adequate and substantial.
• Check underground conductors for adequate burial depth and protection.
• Check aboveground conductors and cables for adequate supports and protection from physical damage.
• Verify that wiring methods for service entrance conductors are suitable.
• Verify that service raceways are arranged to drain and that service heads are rain tight and properly located.
• Check service conductors for adequate size and rating.
• Verify that service equipment is identified as suitable for the use.
• Verify that a service disconnecting means is provided, suitable, marked, and located outside or inside nearest point of entrance of the service conductors.
• Verify that service over current protection is provided, properly sized, and part of or adjacent to the disconnecting means.
• Verify that service disconnects are grouped together and limited to six in any one location.
• Check ratings of service disconnecting means.
• Check for equipment connected to the supply side of the service disconnecting means and over current protection.
• Verify that GFP is supplied where required, and obtain a written record of performance testing.

• Verify that feeders are at least equal to the minimum permitted size.
• Verify that feeder conductors, including any neutral conductors, are a