Design-Build Spec Book Review: 90 Issues Found

Summary: 71 indexed pages | 60 match | 10 minor mismatch | 1 mismatch | 0 missing Minor Mismatch (10): C1.0: Expected: EXISTING CONDITIONS (OVERALL) (C1.0) | Actual: RENOVATIONS TO TWIN BRIDGES GOLF CLUB ([no sheetNo])(p2) | Reason: This page sits in the exact sequence slot where C1.0 would be expected, but the parser did not extract the...

Why it matters:

Suggested next step:

RFI draft: 📄 T1 Schedule Text: DRAWING INDEX — page 1

Summary: The 'DETAIL OF METAL RAILING' explicitly dimensions the railing assembly height at 2'-10' (34 inches) from the floor to the top of the handrail. This assembly includes steel picket infill (3/4' x 3/4' x 16 GA. steel pickets @ 4' O.C. max spacing), which clearly indicates it is designed to function as a guard/fall protection barrier along...

Why it matters: An 8-inch deficiency in guard height at exterior stairs and walking surfaces where the elevation change approaches or exceeds 30 inches above grade is a significant life-safety concern. This would be flagged during plan review and would require redesign of the railing assembly to meet the 42-inch minimum guard height while also maintaining the...

Suggested next step: Request the architect to revise the metal railing detail to provide a minimum guard height of 42 inches measured from the walking surface/stair nosing line per IBC Section 1015.3, while maintaining the handrail gripping surface at between 34 and 38 inches above the walking surface per IBC Section 1014.2. Clarify how the increased guard height...

RFI draft: Request the architect to revise the metal railing detail to provide a minimum guard height of 42 inches measured from the walking surface/stair nosing line per IBC Section 1015.3, while maintaining the handrail gripping surface at between 34 and 38 inches above the walking surface per IBC...

Summary: The foundation plan note directs the contractor to 'POUR FIREPLACE FOOTING MONOLITHIC WITH SLAB,' where the slab is explicitly specified as 'CONCRETE SLAB 4' THICK.' The fireplace footing is not included in the Spread Footing Schedule (which only lists F1 and F2), and no separate thickness is specified for the fireplace footing anywhere on this...

Why it matters: A fireplace footing at only 4' thick is one-third of the code-required 12' minimum, making it structurally inadequate to support a masonry fireplace and chimney assembly. This deficiency would be identified during foundation inspection, requiring demolition and reconstruction of the slab at the fireplace location, resulting in significant...

Suggested next step: Request the structural engineer clarify the fireplace footing thickness and confirm it meets the 12' minimum required by IBC Section 2111.3. If a thickened slab section is intended at the fireplace location, provide a detail showing the footing dimensions, reinforcement, and minimum 6' extension beyond the face of the fireplace on all sides.

RFI draft: Request the structural engineer clarify the fireplace footing thickness and confirm it meets the 12' minimum required by IBC Section 2111.3. If a thickened slab section is intended at the fireplace location, provide a detail showing the footing dimensions, reinforcement, and minimum 6' extension...

Summary: The barn door notes explicitly specify '1/8' CLEAR ANNEALED GLAZING W/ 4 TRUE DIVIDED LITES EA. DOOR' for the entrance barn doors. Section 2406.1 requires that individual glazed areas in hazardous locations, as defined in Section 2406.4, shall comply with safety glazing requirements. Glazing in doors is a defined hazardous location subject to...

Why it matters: Installing clear annealed glass in entrance doors poses a serious life-safety hazard and will fail building inspection. The glazing must be tempered, laminated, or otherwise compliant with safety glazing standards. This will require a specification change before door fabrication. If doors are fabricated with annealed glass, they would need to...

Suggested next step: Request the architect revise the barn door glazing specification from 1/8' clear annealed to safety glazing (e.g., tempered or laminated glass) compliant with IBC Section 2406.1 for glazing in hazardous locations (doors). Confirm the required glass type, thickness, and safety glazing identification marking per Section 2406.3.

RFI draft: Request the architect revise the barn door glazing specification from 1/8' clear annealed to safety glazing (e.g., tempered or laminated glass) compliant with IBC Section 2406.1 for glazing in hazardous locations (doors). Confirm the required glass type, thickness, and safety glazing...

Summary: The ductless split system unit schedule shows that indoor unit WU-1 (Mitsubishi MSY-GX24NL) and outdoor unit HP-1 (Mitsubishi MUY-GX24NL) serving the Concessions area have a heating capacity of '--' (none). These are cooling-only units. The floor plan confirms WU-1 serves the Checkout Counter (103) and Grab & Go Food (102) areas. No wall...

Why it matters: Without any heating system for the primary occupied areas of this building, the project would fail code compliance review and final inspection. Retrofit of a heating system after construction (adding heat pump capability, additional wall heaters, or a different HVAC system) would require redesign of the mechanical system, potentially additional...

Suggested next step: Request the mechanical engineer to clarify how heating will be provided to the Concessions, Checkout Counter (103), Grab & Go Food (102), and Cart Path (104) areas to comply with IBC Section 1203.1. Consider specifying a heat-pump model (e.g., Mitsubishi MSZ-series) instead of the cooling-only MSY-GX24NL, or adding supplemental heating...

RFI draft: Request the mechanical engineer to clarify how heating will be provided to the Concessions, Checkout Counter (103), Grab & Go Food (102), and Cart Path (104) areas to comply with IBC Section 1203.1. Consider specifying a heat-pump model (e.g., Mitsubishi MSZ-series) instead of the cooling-only...

Summary: The site layout shows the proposed Food & Beverage Building is accessible only via concrete cart paths dimensioned at 6 feet and 10 feet wide, and concrete sidewalks dimensioned at 6 feet wide. No fire apparatus access road is shown or labeled anywhere on this enlarged site layout plan. Removable bollards are called out at station C 1+00 on a...

Why it matters: Without an approved fire apparatus access road serving the proposed building, the project will not receive fire department approval, causing permitting delays. Retrofitting a proper fire apparatus access road after construction has begun would require significant regrading, widening of existing cart paths, potential redesign of site features...

Suggested next step: Request the design team demonstrate how fire apparatus access road requirements per IFC Section 503.1.1 are satisfied for the proposed Food & Beverage Building. If the existing diagonal cart path corridor is intended to serve as fire apparatus access, confirm it meets minimum width, surface, and load-bearing requirements for fire apparatus. If...

RFI draft: Request the design team demonstrate how fire apparatus access road requirements per IFC Section 503.1.1 are satisfied for the proposed Food & Beverage Building. If the existing diagonal cart path corridor is intended to serve as fire apparatus access, confirm it meets minimum width, surface, and...

Summary: The elevations on sheet A3 consistently show the truss bearing at 12'-0' A.F.F. (Above Finished Floor) with F.F.E. at 0'-0' across the Front, Back, and East Elevations. However, Wall Section 1/A8.1 (WALL SECTION thru PORCH COLUMN) on sheet A8.1 shows an 11'-0' vertical dimension labeled BEARING for the same porch column-to-roof bearing...

Why it matters: A 1-foot discrepancy in the bearing height directly affects column fabrication lengths, steel beam elevations, truss geometry, and the overall building proportions. If the 11'-0' dimension controls, trusses and columns built to the 12'-0' elevation would be too tall. Conversely, if 12'-0' is correct, the wall section would produce columns and...

Suggested next step: Please clarify the correct bearing height at the porch columns. The elevations on A3 show truss bearing at 12'-0' A.F.F., while Wall Section 1/A8.1 shows an 11'-0' bearing dimension. Which dimension is correct, and should the other drawing be revised?

RFI draft: Please clarify the correct bearing height at the porch columns. The elevations on A3 show truss bearing at 12'-0' A.F.F., while Wall Section 1/A8.1 shows an 11'-0' bearing dimension. Which dimension is correct, and should the other drawing be revised?

Summary: The East Elevation on sheet A300 indicates the main roof pitch as 4:12, while Building Section 2 on sheet A301 shows the main roof pitch as 6:12. Both views depict the same primary gable roof of the F&B Barn — the East Elevation shows the main roof slope from the side, and Section 2 cuts east-west through the building showing the same roof...

Why it matters: This discrepancy directly impacts structural framing design (rafter sizing, connections, and bearing conditions), roofing material quantities, building height calculations for code compliance, and coordination with MEP systems in the attic space. Contractors cannot proceed with roof framing without a confirmed pitch.

Suggested next step: Please clarify the correct main roof pitch for the F&B Barn. The East Elevation on A300 shows 4:12 while Building Section 2/A301 shows 6:12. Which is correct? Please revise the conflicting drawing to reflect the intended pitch.

RFI draft: Please clarify the correct main roof pitch for the F&B Barn. The East Elevation on A300 shows 4:12 while Building Section 2/A301 shows 6:12. Which is correct? Please revise the conflicting drawing to reflect the intended pitch.

Summary: The drawing explicitly depicts door/window types labeled 'R1 ALTERNATE' and 'R2 ALTERNATE,' with an accompanying note stating 'WINDOW R2 IS NOT INCLUDED IN BASE BID — BASE BID TO BE GYP. BOARD AND METAL STUDS IN LIEU OF WINDOW SHOWN ABOVE.' This directly contradicts specification Section 102.3, which unequivocally states 'The bid contains no...

Why it matters: This conflict creates significant ambiguity in the bidding and contract scope. Bidders cannot determine whether to price the R1 and R2 alternate configurations as separate add/deduct items or to include them in the base bid. If alternates are not permitted, the contract documents must clearly define a single scope for these openings. Failure to...

Suggested next step: Please clarify the conflict between the drawing showing R1 ALTERNATE, R2 ALTERNATE, and R1 BASE BID configurations and Specification Section 102.3 which states 'The bid contains no alternates.' Should the R1 and R2 openings be provided per the base bid configuration only, or should the specification be revised to include these as alternate bid...

RFI draft: Please clarify the conflict between the drawing showing R1 ALTERNATE, R2 ALTERNATE, and R1 BASE BID configurations and Specification Section 102.3 which states 'The bid contains no alternates.' Should the R1 and R2 openings be provided per the base bid configuration only, or should the...

Summary: The drawing lists 'AISC STEEL CONSTRUCTION MANUAL 13TH ED.' as the governing standard for structural steel design. The 13th Edition was published in 2005 and incorporates the AISC 360-05 Specification. IBC Section 2205.1 requires the design, fabrication, and erection of structural steel elements to be in accordance with AISC 360. The 2021 IBC...

Why it matters: Referencing an outdated steel design specification on the structural notes sheet would be flagged during plan review and could result in permit rejection. Structural steel members designed to AISC 360-05 may not satisfy current stability, connection, and seismic detailing requirements introduced in subsequent editions. If steel fabrication has...

Suggested next step: Request the structural engineer update the Codes and Specifications note to reference the AISC Steel Construction Manual 15th Edition (incorporating AISC 360-16) as required by the 2021 IBC, and confirm that all structural steel design has been performed in accordance with AISC 360-16.

RFI draft: Request the structural engineer update the Codes and Specifications note to reference the AISC Steel Construction Manual 15th Edition (incorporating AISC 360-16) as required by the 2021 IBC, and confirm that all structural steel design has been performed in accordance with AISC 360-16.

Summary: The Design Loads section lists 'GROUND SNOW LOAD: 23 PSF,' which exceeds the 10 PSF threshold established in IBC Section 1603.1.3. When the ground snow load exceeds 10 PSF, the code mandates that five additional snow load parameters shall also be provided on the construction documents: flat-roof snow load (pf), snow exposure factor (Ce), snow...

Why it matters: This omission would likely result in a plan review rejection, causing permitting delays. Additionally, these parameters are essential for the roof truss designer (referenced in Wood Framing Note 20) and other subcontractors to verify design snow loads on the roof. Without pf, Ce, Is, Ct, and Cs documented on the construction documents, the...

Suggested next step: Request that the Structural Engineer of Record provide the following snow load design data on the structural construction documents per IBC Section 1603.1.3: flat-roof snow load (pf), snow exposure factor (Ce), snow load importance factor (Is), thermal factor (Ct), and slope factor(s) (Cs). If applicable, drift surcharge loads (pd) and drift...

RFI draft: Request that the Structural Engineer of Record provide the following snow load design data on the structural construction documents per IBC Section 1603.1.3: flat-roof snow load (pf), snow exposure factor (Ce), snow load importance factor (Is), thermal factor (Ct), and slope factor(s) (Cs). If...

Summary: Section 1/S2.0 (Wall Section – Firepit and Water Feature) explicitly specifies 'FILL ALL CELLS BELOW TOP OF SLAB WITH 2000 PSI HIGH SLUMP CONCRETE' for the reinforced 12' CMU foundation wall. Because the drawing labels this fill material as 'concrete,' IBC Section 1904.2 applies, which requires a minimum specified compressive strength of 2,500...

Why it matters: A plan reviewer or field inspector reading '2000 PSI HIGH SLUMP CONCRETE' on the structural drawings would apply IBC 1904.2 concrete strength minimums and reject the specification. This would require a revised specification or formal clarification prior to or during construction, resulting in potential permitting delays and potential...

Suggested next step: Please clarify the specified compressive strength for the CMU cell fill in the Firepit and Water Feature wall section (Section 1/S2.0). If the material is intended to be concrete, per IBC Section 1904.2 the minimum compressive strength shall be not less than 2,500 psi. If the material is intended to be masonry grout per IBC Section 2103.3 and...

RFI draft: Please clarify the specified compressive strength for the CMU cell fill in the Firepit and Water Feature wall section (Section 1/S2.0). If the material is intended to be concrete, per IBC Section 1904.2 the minimum compressive strength shall be not less than 2,500 psi. If the material is...

Summary: Wall Sections 1/A8 and 2/A8 explicitly detail every layer of the exterior wall assembly: 5/8' gypsum board on the interior, 6' metal studs at 16' O.C. with insulation, 1/2' exterior plywood sheathing, and horizontal lap siding on the exterior. Wall Section 3/A8 similarly shows insulation and lap siding. None of these wall sections show or note...

Why it matters: If these wall sections are followed as drawn, the contractor would install lap siding directly over plywood sheathing without a WRB. This would fail building inspection during the exterior envelope rough-in phase, requiring removal of installed siding to add the WRB layer, resulting in material waste, additional labor costs, and schedule...

Suggested next step: Request the architect clarify and add the required water-resistive barrier to Wall Sections 1/A8, 2/A8, and 3/A8. Specify the WRB material type (e.g., No. 15 felt per ASTM D226, or ASTM E2556 Type I or II, or other approved material per IBC Section 1403.2), its location within the assembly (between the exterior plywood sheathing and the lap...

RFI draft: Request the architect clarify and add the required water-resistive barrier to Wall Sections 1/A8, 2/A8, and 3/A8. Specify the WRB material type (e.g., No. 15 felt per ASTM D226, or ASTM E2556 Type I or II, or other approved material per IBC Section 1403.2), its location within the assembly...

Summary: The Schedule of Toilet Accessories specifies Item I (Vertical Grab Bars at Side Wall of Water Closet, B-6806 x 18') at '33'-36' to CENTERLINE AF.F. AS NOTED.' This is the identical mounting height specification given for Item A (horizontal side wall grab bar, B-6806 x 42'). For an 18' vertical grab bar, a 33'–36' centerline places the bottom of...

Why it matters: The Typical Blocking Detail specifies 2x6 wood blocking at the proper height to anchor grab bars. If the contractor follows the schedule height (33'–36' centerline), the blocking will be installed approximately 12'–17' too low. After drywall and wall finishes are installed, correcting this error would require demolition, new blocking, drywall...

Suggested next step: Request the designer revise the Schedule of Toilet Accessories to correct the mounting height for Item I (Vertical Grab Bars) to the ICC A117.1–compliant range (bottom of bar at 39'–41' AFF), and confirm consistency with the vertical bar position shown on Elevation 7/A4.

RFI draft: Request the designer revise the Schedule of Toilet Accessories to correct the mounting height for Item I (Vertical Grab Bars) to the ICC A117.1–compliant range (bottom of bar at 39'–41' AFF), and confirm consistency with the vertical bar position shown on Elevation 7/A4.

Summary: The drawing shows OFFICE 07 and STORAGE 09 as enclosed rooms along the south wall of the facility, each served by a single door that opens directly into the active commercial kitchen work area. The kitchen space between these rooms and any building exit contains food preparation equipment including worktables, a manual meat slicer, a...

Why it matters: This violation is likely to be flagged during plan review, which could delay permitting and require redesign of the office and storage room access. Remediation options — such as adding an exterior exit door, constructing a dedicated egress corridor along the south wall, or relocating these rooms — would affect the kitchen equipment layout, the...

Suggested next step: Request clarification from the architect on how egress from Office 07 and Storage 09 complies with IBC Section 1016.2, item 5, which prohibits egress paths through kitchens. If no alternative egress path exists, request a revised design providing egress routes from these rooms that do not pass through the commercial kitchen.

RFI draft: Request clarification from the architect on how egress from Office 07 and Storage 09 complies with IBC Section 1016.2, item 5, which prohibits egress paths through kitchens. If no alternative egress path exists, request a revised design providing egress routes from these rooms that do not pass...