Specification Guide

01 91 13 — GENERAL COMMISSIONING Engage a Commissioning Authority (CxA) independent of the design and construction teams at or before schematic design. CxA credentials: ASHRAE CPMP, ACG CxA, or equivalent. Cx scope: mechanical, electrical, plumbing, building envelope, lighting controls, and renewable energy systems. Deliverables: Owner's Project Requirements (OPR) at SD; Basis of Design (BoD) review at DD; Functional Performance Testing report at substantial completion; Final Cx Report within 60 days of occupancy. [LEED EA Prereq: submit CxA contract and scope to LEED reviewer at permit.] 01 74 19 — CONSTRUCTION WASTE MANAGEMENT Submit Construction Waste Management Plan to Owner within 30 days of NTP. Provide on-site sorting for: dimensional lumber, metals, drywall, cardboard, concrete/masonry, and mixed recyclables. Document diversion by weight with hauler receipts. Submit monthly diversion reports. Target: minimum 75% diversion from landfill by weight. [LEED MR Credit: maintain separate receipts per material category; document total tonnage disposed vs. diverted.] 01 57 19 — TEMPORARY IAQ MANAGEMENT Implement SMACNA IAQ Guidelines for Occupied Buildings Under Construction, 2nd Ed., throughout all phases of interior rough-in and finish work. Cover and protect all duct and grille openings from dust throughout construction. Replace all HVAC filters at substantial completion with final rated filters. [LEED EQ Prereq: document daily protection log; conduct 14-day flush-out per LEED EQc3.2 or third-party IAQ testing prior to occupancy — coordinate with CxA for flush-out HVAC scheduling.] 01 35 29 — ENERGY DOCUMENTATION At substantial completion, Contractor shall deliver an Energy Documentation Package including: (1) equipment cut sheets for all major energy-consuming systems with rated efficiencies highlighted; (2) TAB Report; (3) CxA Final Report; (4) as-built thermal envelope summary confirming installed R-values and air barrier continuity; (5) blower door and duct leakage test results signed by tester. [AIA 2030: include projected annual EUI and 25-year carbon projection. LEED EA: provide energy model update confirming as-built compliance.]

03 30 00 — CAST-IN-PLACE CONCRETE (SLAB ON GRADE) Mix design: minimum 3,000 psi at 28 days (residential) / 4,000 psi (commercial floor slabs). Water-cementite ratio ≤ 0.50; ≤ 0.45 below-grade and exposed exterior. Specify 20–30% fly ash or slag cement replacement (ASTM C618 Class F fly ash or ASTM C989 Grade 100 slag) for embodied carbon reduction. Submit mix design with SCM source documentation 21 days prior to pour. 07 26 00 — BELOW-SLAB VAPOR RETARDER Vapor retarder: ASTM E1745 Class A, minimum 15-mil polyethylene (Stego Wrap 15-mil, Perminator 15-mil, or approved equal). Install directly below slab — not below granular fill layer. Lap seams minimum 6 inches; tape all seams, pipe penetrations, and column base penetrations with compatible tape. Extend up foundation wall minimum 6 inches; seal to foundation with compatible sealant at perimeter. Repair any punctures before pour with tape patch minimum 12 inches larger than damage. 07 21 00 — BELOW-SLAB AND PERIMETER INSULATION [Zone 4-8] Slab edge: extruded polystyrene (XPS), ASTM C578 Type IV, [R-value per project zone], installed vertically at perimeter from top of slab to frost depth or 4 feet minimum. Thermal break required — slab must not bear directly on foundation wall without insulating break. [Phius target: XPS R-10 (2") under full slab area in addition to perimeter, coordinate with structural footing bearing.] Protect all below-grade XPS with concrete board or protection board at backfill.

06 10 00 — ROUGH CARPENTRY (FRAMING LUMBER) Lumber: structural grade per species and use, grade-stamped per WWPA or NLGA grading rules. Moisture content: ≤ 19% at time of enclosure (IRC R318). FSC-certified lumber required [or preferred] — provide chain-of-custody documentation from supplier. No old-growth lumber. Dimensional lumber: No. 2 minimum for stud framing; No. 1 or LVL at bearing locations per drawings. Preserve existing trees in immediate vicinity of structure — coordinate laydown areas with Owner. 06 16 00 — SHEATHING Wall sheathing: APA-rated OSB, 7/16" minimum, Exposure 1, with APA performance category per structural drawings. Nailing: 8d common at 6" o.c. edges / 12" o.c. field (unless noted otherwise on structural for shear wall zones). Air barrier integration: apply manufacturer-specified tape to all panel joints, window and door rough openings, and penetrations within 48 hours of installation. [ZIP System: use ZIP System tape at all seams; apply roller per manufacturer instructions. Field cuts: apply flashing tape immediately.] 06 17 53 — STRUCTURAL COMPOSITE LUMBER (where applicable) LVL and LSL beams: per manufacturer Span Tables; ICC evaluation report to be submitted at permit. I-joists: APA PRI-400; blocking required at all bearing points, end walls, and web stiffeners at point loads — indicate on structural. Factory knockout locations for MEP to be coordinated with mechanical, electrical, and plumbing drawings at DD — provide shop drawings for review. [Mass timber: CLT panels per ANSI/APA PRG-320; require EPD and FSC or PEFC certification; submit EPD to Owner for AIA 2030 / embodied carbon tracking.]

07 21 00 — THERMAL INSULATION (ABOVE-GRADE WALL) Insulation: [zone-specific R-value — load a project to fill]. [If continuous insulation required: specify closed-cell spray polyurethane foam (ccSPF, ASTM C1029 Type II) or polyisocyanurate rigid board (ASTM C1289) outboard of framing. Minimum R-value per IECC Table R402.1.2. Install in continuous layer with no gaps at fasteners or Z-channels.] Batt insulation: friction-fit to fill cavity 100% — no voids, no compression. Third-party inspection required prior to insulation cover at framing rough-in stage. 07 21 00 — THERMAL INSULATION (ATTIC/ROOF) Blown-in attic insulation: [zone-specific R-value] minimum at finished depth. Install baffles at all eave vents to maintain ventilation channel minimum 1". Depth markers every 50 sq ft; confirm installed R-value with job worksheet at substantial completion. [Unvented assemblies: verify vapor control strategy per IECC climate zone — foam at roof deck preferred for mixed and cold climates.] 07 27 00 — AIR BARRIERS, AIR SEALING, AND VAPOR RETARDERS Air leakage performance target: [≤ 3 ACH50 code / ≤ 0.60 ACH50 ENERGY STAR / ≤ 0.06 ACH50 Phius]. Specify one primary air barrier strategy: (A) fluid-applied membrane on sheathing; (B) integrated sheathing system (ZIP System or equivalent); or (C) interior drywall with careful sealing at all penetrations and plates. Tape or flash all window and door rough openings, rim joists, penetrations through top and bottom plates, and electrical/plumbing penetrations. Test per ASTM E779 at pre-drywall stage — notify testing agent minimum 48 hours in advance. 07 46 00 / 07 52 00 — ROOFING Specify roofing material, SRI, and fire rating on drawings. [Cool roof requirement: SRI ≥ 82 low-slope, ≥ 39 steep-slope for LEED SS Credit.] [Wildfire/FORTIFIED zones: Class A fire-rated assembly required — no wood shingles or shakes regardless of fire retardant treatment. Impact-resistant Class 4 shingles required for IBHS FORTIFIED in hail exposure zones.] Ice and water shield: ASTM D1970, minimum 24" from eave or to point 24" inside interior wall, whichever is greater (Zones 5-8 minimum).

08 50 00 — WINDOWS Performance: [zone-specific U-factor and SHGC — load a project to fill]. All windows NFRC-labeled; include NFRC certification label in submittals. Glazing specifications to be confirmed per orientation: south-facing, east/west, and north have different optimal SHGC values — see Design Strategies page zone SHGC table. [Phius: triple-pane required in Zones 5+; provide PHPP window entry data (Uw, g-value) on submittals.] [FORTIFIED Silver/Gold: impact-rated per ICC 500 / ASTM E1886/E1996, or rated storm shutters — specify DP rating from ASCE 7 wind speed for site.] Provide window schedule on drawings with unit sizes, rough opening dimensions, U-factor, SHGC, and DP rating for each unit type. 08 11 16 — EXTERIOR DOORS Minimum performance: [Zone 1-4: U-0.20 / Zone 5-8: U-0.17]. Air leakage: ≤ 0.50 CFM/ft perimeter at 0.30 in. w.g. test pressure (AAMA 107). Sliding glass doors: ≤ 0.30 CFM/ft. Require AAMA or NFRC ratings on submittals. Weatherstripping: replaceable compression type at all exterior door perimeters; continuous threshold at door bottoms — no visible light gap. [FORTIFIED: same impact-rating requirement as windows applies to all exterior doors. Garage doors: require AAMA 512 rated units in wind design areas.] 08 31 00 — ATTIC ACCESS AND PULL-DOWN STAIRS All pull-down attic stair units: insulated cover assembly, minimum R-value equivalent to surrounding assembly. Gasketed rigid panel type (Access Dome, Battic Door, or equivalent) preferred — avoids foam deterioration of roll-type covers. At attic hatch (no pull-down stair): rigid insulated cover, minimum 2" rigid foam, gasketed with weatherstripping. Inspect and test per ENERGY STAR Thermal Enclosure Checklist at framing rough-in stage.

09 90 00 — PAINTS AND COATINGS All interior paints, stains, and coatings: VOC content ≤ 50 g/L (flat) / ≤ 150 g/L (non-flat) per SCAQMD Rule 1113 and CARB SCM. All exterior coatings: ≤ 100 g/L (flat) / ≤ 200 g/L (non-flat). Require product data sheets confirming VOC content at submittal stage — not just manufacturer's general literature. [LEED v4.1 EQ Credit: VOC content verified per SCAQMD Rule 1113; submit product list with VOC values for each coating used at each surface type. GreenSeal GS-11 certified products preferred.] 09 20 00 — GYPSUM BOARD AND JOINT TREATMENT Gypsum board: ASTM C1396 standard; use mold-resistant (Type X or MR) in all bathrooms, utility rooms, and other humid-area locations per IRC R702.3. Joint compound: low-VOC (≤ 50 g/L) — note that pre-mixed joint compound can have high VOC content; verify and specify. [Embodied carbon: gypsum board contains significant embodied carbon — specify products with EPDs for AIA 2030 tracking where contractor can source competitively.] 09 60 00 — FLOORING Carpet: CRI Green Label Plus certified. Carpet cushion: CRI Green Label certified. Adhesive: ≤ 50 g/L. Require CRI certificate at procurement submittal. Composite wood flooring (hardwood, bamboo, laminate): California ATCM Phase 2 / EPA TSCA Title VI compliant — CARB Phase 2 formaldehyde emission limits. FloorScore-certified products preferred. Require HPD (Health Product Declaration) or Declare label from manufacturer at submittal. [LBC Materials Petal: all composite wood must be certified compliant; prohibit urea-formaldehyde binders in all wood products.] 09 81 00 — ACOUSTIC INSULATION Interior partition batt: mineral wool (ASTM C665 Type I) or fiberglass (formaldehyde-free preferred) at all party walls, corridor walls, and bedroom demising partitions. Install full-height cavity fill — 3.5" batt at 2x4 framing minimum, no air gaps at top and bottom plates. Coordinate acoustic batt specification with fire-rated assembly listings (UL, GA) — some fire-rated assemblies require specific products. STC ratings per drawings and specifications for party walls and noise-sensitive spaces.

22 40 00 — PLUMBING FIXTURES All lavatory faucets: EPA WaterSense labeled, maximum 0.50 GPM (private) / 0.20 GPM (metered, commercial). All showerheads: WaterSense labeled, maximum 1.75 GPM; multi-port showerheads measured as combined flow. All water closets: WaterSense labeled, maximum 1.28 GPF; dual-flush (0.8/1.28 GPF) preferred. Specify fixture model numbers on plumbing fixture schedule on drawings — do not allow contractor substitution of unlabeled units. Require WaterSense label documentation at submittal. 22 33 00 — DOMESTIC WATER HEATERS Heat pump water heater (HPWH) required for all electric water heating. Minimum UEF 3.0 (≥ 40-gallon units) or per ENERGY STAR certification list. Install in conditioned or semi-conditioned space with minimum 700-1,000 cu ft of air volume; or provide dedicated outdoor air duct kit per manufacturer. Do not locate adjacent to bedroom walls — HPWH operating sound level 45–50 dB. Drain pan and drain to floor drain required. [IRA Section 25C: ENERGY STAR-certified HPWH qualifies for 30% federal tax credit up to $600. Inform owner at equipment selection.] [Phius: HPWH required in all climate zones with electric domestic hot water. Natural gas: high-efficiency condensing unit (EF ≥ 0.80) only.] 22 11 16 — HOT WATER DISTRIBUTION PIPING Insulate all hot water supply piping minimum R-4 (1" foam pipe insulation) for full run length — not just first 8 feet. Demand-controlled recirculation preferred over continuous: sensor-activated or timer-controlled at fixture; avoids continuous heat loss from recirculation. [LEED WE Credit: measure delivery time — maximum 10-15 seconds from any fixture to meet WaterSense hot water delivery criteria.] Pipe insulation at all accessible locations: verify installation before closing walls.

23 81 00 — HEAT PUMPS (AIR-SOURCE) Equipment performance: minimum SEER2 [15.2 ENERGY STAR / 18 recommended / per project cert goal], HSPF2 ≥ 7.8. [Zones 5-7: cold-climate heat pump (CCHP) required — rated heating capacity at +5°F on equipment schedule. Specify rated capacity at +17°F and +5°F on equipment submittal.] Size per ACCA Manual J load calculation — do not exceed 115% of calculated peak load. Provide load calculation signed by licensed engineer or certified HVAC designer at permit. Equipment selection from AHRI certified directory. [Phius: size per PHPP heating and cooling load outputs.] 23 74 00 — ENERGY RECOVERY VENTILATION (ERV / HRV) Ventilation design: per ASHRAE 62.2-2022 (residential) or 62.1-2022 (commercial). Minimum airflow: 0.01 CFM/ft² + 7.5 CFM/person. [Climate recommendation: ERV (moisture transfer) for mixed and humid climates Zones 1-4; HRV (sensible only) for cold-dry climates Zones 5-7.] ERV/HRV unit: sensible recovery efficiency (SRE) ≥ 75% at ASHRAE standard test conditions. [Phius: Phius-certified component required — see phius.org component list.] MERV-13 filters on supply air minimum. Unit location: inside pressure boundary. Separate supply and return locations — minimum 10 ft apart to prevent short-circuit. Balanced flow (+/- 10% of nominal). Test airflows and document in Cx report. 23 31 00 — DUCTWORK AND AIR DISTRIBUTION Duct leakage performance: ≤ [4 CFM25/100 ft² total to outside — ENERGY STAR / 2 CFM25 — above code target]. All duct connections mechanically fastened and sealed with mastic sealant or UL 181 tape — no cloth duct tape. Insulate all ducts in unconditioned spaces: R-8 supply, R-6 return (IECC). [Phius: all ductwork must be inside pressure boundary — no ducts in attic, crawl space, or garage.] Test per ASTM E1554 at rough-in — before sheetrock. Record test results. Confirm all registers, boots, and diffusers sealed airtight at openings before final inspection.

26 51 00 — INTERIOR LIGHTING All permanently installed luminaires: LED, CRI ≥ 80 minimum (CRI ≥ 90 in residential living areas, food service, and retail). Color temperature: 2700-3000K residential / 3000-3500K commercial office and retail (confirm with Owner at SD). Prohibit incandescent and fluorescent (T8 and compact) in new construction — DOE 2023 prohibition effective January 2023. Minimum efficacy: 60 lumens per watt at fixture. Provide photometric calculations confirming foot-candle levels at work surfaces per IES guidelines for occupancy type. [LEED EQ: provide enhanced lighting controls documentation — individual task controls and group occupancy controls per LEED EQ Credit.] 26 09 23 — LIGHTING CONTROLS Occupancy/vacancy sensors required at: all individual offices, conference rooms, break rooms, restrooms, storage rooms, and utility spaces. Daylight-responsive controls (dimming) required in spaces with fenestration > 150 sq ft within 15 ft of windows (IECC C405). Specify sensor coverage zones — no dead zones in any controlled space. [LEED EQ: individual dimming controls at all workstations plus group occupancy sensors for enhanced lighting credit.] All sensors: manual-on / auto-off preferred for offices (vacancy sensor) — reduces wasted energy vs. auto-on/auto-off. 26 27 26 — EV CHARGING INFRASTRUCTURE Residential (single-family and multifamily): minimum one dedicated 240V / 50A branch circuit rough-in (conduit + wire + breaker, NEMA 14-50 receptacle) per garage bay. [Multifamily: 20% of total parking spaces per LEED LT EV Credit; minimum per NEC 625 / local amendment.] Commercial: [2-5% of spaces with EVSE per LEED; verify local AHJ requirement]. Coordinate panel capacity at permit — EV load must be included in service calculation. Provide J1772 Level 2 EVSE (or roughed conduit for future EVSE) at designated spaces; stub conduit to panel with circuit breaker space reserved. 26 09 13 — POWER METERING AND SUBMETERING Building-level revenue-grade meter: required for all commercial buildings. Submetering: per IECC C405.13 for buildings with lighting, HVAC, or process loads > 100 kW — separate meters at each major end use > 10% of total energy. [LEED EA Advanced Energy Metering: revenue-grade meters for whole building and each end use > 10%, trending to BAS at 15-minute intervals minimum.] [AIA 2030 reporting: whole-building meter data required for annual EUI reporting through AIA 2030 DDx.] Specify meter type, communication protocol (BACnet, Modbus), and data integration path to building automation system.