2 West Main Street Townhomes (Lapham Estates) · Scope of Work by Division · Issued for Bid · Page 1

2 West Main Street Townhomes (Lapham Estates) — Macedon, New York Scope of Work — Bid Packages by Construction Division Owner / Construction Manager: Gerber Homes · Architect Project 23135 · Issued for Bid

Project Summary Three 2-story wood-framed townhome buildings with attached garages, on slab-on-grade over poured foundations. All-electric (air-source heat pump) buildings designed to 2020 NYStretch / 2018 IECC, Climate Zone 5A, and NYS HCR ALL / Housing Trust Fund affordable-housing requirements.

Item Detail Buildings / units Bldg A = 6 units · Bldg B = 3 units · Bldg C = 6 units (15 units total) Unit size 1,546 SF living / unit (672 SF 1st + 874 SF 2nd) + attached garage Structure Wood frame 24" o.c.; engineered roof & floor trusses; CMU (concrete masonry unit) foundation walls on poured concrete footings; slab-on-grade Energy / envelope Walls R-21; energy-truss ceiling R-19 + R-41; ceiling over garage R-30; floor

R-30; windows U-0.30 / SHGC 0.34 Mechanical ALL-ELECTRIC — air-source heat pumps + air handlers; continuous mechanical ventilation per M1505 Fire / life safety 2-hr party/demising walls; 3/4-hr garage separation; hard-wired smoke/CO;

egress windows (Boman Kemp 4040) Program NYS HCR ALL Program (SHARS 20250584); Town of Macedon; grant-funded

— prevailing-wage / M-WBE compliance may apply

Bidder instructions: Each trade shall base its bid on the stamped Construction Documents (Buildings A/B/C, Project 23135, dated 8/25 – 12/2/25), the ResCheck compliance reports, the Selections, and the site/civil plans (Final Signed Mylars). Bidders are responsible for their own quantity take-offs. Pricing shall be provided per building and per 15-unit project. Bidders may submit for labor only, materials only, or both on any division - clearly state which your bid covers. Any scope not expressly excluded and reasonably inferable from the Documents is included.

Substitutions / “or approved equal”: Any manufacturer, brand or model named in these Documents (e.g., specific egress-window, equipment or product references) establishes the standard of quality, performance and appearance required. Alternative comparable products of equal or greater quality, rating and performance may be considered and are welcome, subject to Owner / Architect review and written approval prior to award (or as a clearly identified voluntary alternate in the bid). Any substitution must meet all applicable code, energy (ResCheck) and program requirements.

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DIVISION 01 — General Requirements Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Overall project management, scheduling, and coordination of all trades across the three buildings;

maintain the master construction schedule and sequencing.

• Building permits, inspections, and NYS HCR / ALL Program environmental-clearance and reporting compliance; coordinate SHARS documentation.

• Temporary facilities: temp power, water, sanitation, fencing/security, dumpsters and construction cleaning.

• Quality control, blower-door / envelope air-leakage testing and ResCheck compliance verification;

final punch and closeout.

• Prevailing-wage / M-WBE compliance administration where required by the funding.

Key specifications & references:

• Applicable codes: 2020 RCNYS, 2020 NYStretch Energy Code, 2018 IECC (Zone 5A), NFPA-13R.

• Grant program: NYS HCR ALL Program, SHARS ID 20250584, LPA Town of Macedon.

DIVISION 02 — Existing Conditions & Sitework Prep Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Site clearing, grubbing, stripping and stockpiling of topsoil; erosion & sediment control (silt fence, inlet protection) per SWPPP.

• Rough site grading to subgrade; cut/fill and soil management per the civil grading plan.

• Coordinate any existing-structure removal / abandonment and environmental clearances noted in the Environmental Review.

Key specifications & references:

• Reference: Site Plan – Final Signed Mylars; Landscaping Plan (06); Environmental Review Checklist.

DIVISION 03 — Concrete Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Excavate, form, reinforce, place and strip continuous spread footings on undisturbed soil (min. 2,500 psf bearing); step footings as required by grade.

• Place and finish slabs (3,500 psi) over vapor barrier on gravel base: 4" basement floor slab; 4" garage slab reinforced with 6x6 10/10 W.W.M.; 6" reinforced porch slab; control/saw-cut joints and sealing; 1/2" anchor bolts.

• Set anchor bolts, beam pockets and embeds; pour 30"x30"x12" footings for interior steel columns;

provide concrete-encased electrode (Ufer ground); coordinate foundation drainage tie-in.

• Furnish/place concrete for exterior stoops, porch slabs and walks as shown.

Key specifications & references:

• Fc = 3,500 psi (garage slab, porch slab, footings); reinforcing ASTM A-615 Fy=40 ksi; anchor bolts ASTM A307. Foundation WALLS are CMU (see Division 04).

• Reference: A102 Overall Foundation Plan + reinforcement charts.

DIVISION 04 — Masonry (CMU Foundation Walls) & Stone Veneer Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

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• Furnish and install CMU foundation walls on poured footings per the Sheet A102 reinforcement charts: 8" and 12" block on 16"x8" and 20"x8" footings, 4" solid-block caps and 2"/4" slab ledges, corbel 12th course at slab ledges, and 2 ft foundation steps between units.

• Mortar Type M or S in running bond; vertical reinforcement Grade 60 per RCNYS Tables R404.1.1 / R404.1.2; grout/fill cores and beam pockets solid; fill block solid under interior steel columns; set anchor bolts and sill-plate embeds.

• Parge and dampproof exterior below-grade CMU; coordinate foundation drainage and brace walls until backfilled.

• Furnish and install exterior adhered stone veneer at the front half-wall / wainscot areas as selected, including lath, scratch coat, setting bed, corners, and sealed cap/flashing.

• Install weather-resistive barrier, flashing and weep provisions behind veneer per manufacturer and code.

Key specifications & references:

• Foundation walls: CMU per Sheet A102 charts (8"/12" block, running bond, Type M/S mortar, Grade-60 reinf. per R404.1.1/R404.1.2). Stone veneer half-wall 'as selected' per elevations (A107/A108) and Selections.

DIVISION 05 — Metals Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install structural steel: W8x24, W10x22 and W14x34 beams with bearing / beam-pocket connections; 3" O.D. adjustable 11-ga. steel (lally) columns on 30"x30"x12" concrete footings (~12 per 6-unit building), filled solid beneath.

• Furnish and install miscellaneous metals: 42" half-wall handrail at stairs, exterior/interior handrails and guardrails at stairs, porches and steps-to-grade, and any steel lintels.

• Coordinate column/beam locations with A102 and framing plans; guardrail/handrail per R311/R312.

DIVISION 06 — Wood, Plastics & Carpentry Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Rough carpentry: 2x6 exterior walls and 2x4 garage walls @ 24" o.c. on 2x6 P.T. sill (1/2" anchor bolts @ 72"); 2x4/2x6 interior partitions; P.T. base plate at concrete. Plate heights: 1st floor 9 ft 1-1/8 in (Bldg B Unit 3 = 10 ft 1-1/8 in), 2nd floor 8 ft 1-1/8 in.

• Engineered floor system: 11-7/8" I-joist / LSL @ 24" o.c. by manufacturer (living 55 psf, sleeping 45 psf total load); LVL beams; solid blocking and posting under bearing; double jack studs at openings 4 ft and greater.

• Roof framing: engineered A/B trusses + girder truss @ 24" o.c. by manufacturer; 2x8 rafters @ 16" and 2x8 layover rafters @ 24" with 2x6 ceiling joists as shown.

• Sheathing: walls 7/16" OSB (or 3/8" plywood) with house wrap or ZIP-R3 per the energy code; roof 5/8" T&G with H-clips; (1) layer fire-rated plywood sheathing min. 4 ft each side of the fire wall.

• Frame 2-hr rated party/demising walls between units and 3/4-hr garage separation assemblies per detail 2/A109.

• Install exterior door/window bucks, headers, and rough openings per schedules; set stair framing (treads/risers per R311.7.5).

• Finish carpentry: install interior doors, casing, base, shoe, window trim, stair rails/newels, closet shelving backing, and exterior trim (1x5 lineal, 1x6 frieze, aluminum-wrapped rake, 8"x8" columns).

• Furnish/install rough hardware, fasteners, crane/lift and material handling.

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• Framing 2x4/2x6 SPF #2, 24" o.c.; trusses by supplier w/ sealed layouts; snow load 40 psf, floor LL 40, sleeping/attic 30.

• Reference: A103/A104 floor plans, A106 roof plan & sections, A109 details.

DIVISION 07 — Thermal & Moisture Protection Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Roofing: 30-yr architectural asphalt shingles over 5/8" T&G sheathing (pitches 7/12 main, 10/12- 12/12 hips/gables, 2/12 low-slope); 2 layers 15# felt on 4/12-and-shallower pitches; 24" ice-and-water shield inside exterior wall; drip edge, valley metal, flashing, pipe boots; continuous ridge vent + vented soffits (1/150 net free area per R806.2).

• Siding & exterior trim: install vinyl clapboard and board-&-batten siding as selected, vented soffit & fascia, J-channel, corners, and 16x24 decorative louvers; house-wrap air/weather barrier and all flashing at openings.

• Gutters & downspouts: seamless aluminum gutters, downspouts and splash blocks/tie-ins, coordinated with buried gutter drops.

• Insulation & air sealing (per ResCheck, which governs): 2x6 exterior walls R-21; garage ceiling R- 30; ceilings R-19 + R-41 (energy truss); 3" mineral wool + air space in the 2-hr demising walls (STC 66); air barrier separating showers/tubs at exterior walls; rim/band, continuous air barrier, caulking, firestopping; Class I/III vapor retarder per R702.7.

• Caulking & sealants at all penetrations and joints.

Key specifications & references:

• Envelope R-values per ResCheck (Zone 5A): walls R-21, ceiling R-19+R-41, over-garage R-30, floor R- 30.

• Reference: A107/A108 elevations, A106 roof, A109 details; ResCheck – Buildings A/B/C (stamped).

DIVISION 08 — Openings (Doors, Windows, Garage Doors, Hardware) Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install vinyl windows (U-0.30, SHGC 0.34), standard head height 6 ft 10-1/2 in, per the window schedule (types incl. 3256, 3256-2, 3050 casement, 3056, 2030); screens at all operable sash; safety glazing (tag T) per R308.4 and factory fall-protection (tag FP) per R312.2; air infiltration

0.3 cfm/sf max (0.5 sliders) per R402.4.3; rough openings by window manufacturer.

• Furnish and install Boman Kemp 4040 egress window + well system (or approved equal) at each unit basement, conforming to R310 (min. 5.7 SF clear, 20 in wide, 24 in high).

• Furnish and install exterior entry doors (3068 front, 3056 rear), rear sliding patio doors (VSDR 8060), and the 20-minute rated garage-to-dwelling fire door with self-closer; weatherstrip and thresholds.

• Furnish and install sectional overhead garage doors (16'0" x 7'0") with insulated panels and openers.

• Furnish and install interior doors (pre-hung), passage/privacy/dead-bolt hardware (satin nickel), and bath/bypass hardware per schedule.

Key specifications & references:

• Windows: vinyl, Low-E argon, U-0.30 / SHGC 0.34 per window schedule.

• Egress: 4040 basement egress at each unit.

DIVISION 09 — Finishes (Drywall, Paint, Flooring, Tile)

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Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Drywall: hang, tape, mud and finish to Level 4: 1/2" gyp both faces of interior partitions and exterior-wall interior face; garage separation 5/8" Type-X garage side + 1/2" Type-X house side; moisture-resistant board at wet areas; corner bead and control joints; coordinate sprinkler cover plates and rated assemblies.

• Party/demising walls (UL U336, 2-hr, STC 66): install the layered assembly - 1/2" gyp + 2" H-studs @ 24" o.c. with (2) layers UL-type-SLX gyp liner panels + 3" mineral wool + air space, per detail 2/A109; plus (1) layer fire-rated plywood sheathing min. 4 ft each side of the fire wall.

• Painting: prime and finish-coat all walls, ceilings, interior doors and trim; paint/stain stairs (treads, risers, kickers); exterior paint at paint-grade doors/trim/columns per selections.

• Resilient flooring: install luxury-vinyl plank (glue-down) in living areas, kitchens, baths and per finish schedule; skim-coat/prep slab; carpet & pad at bedrooms/stairs as selected; metal transitions and stair-nose.

• Tile (if selected): tub/shower surrounds and bath floors per selections, with backer board, waterproofing, setting and grout.

• Finishes 'as selected' — reference Selections and finish schedule.

DIVISION 10 — Specialties Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install bath accessories (towel bars, paper holders, mirrors), wire/closet shelving, and unit/building address & signage.

• Mailboxes / cluster box units, fire extinguishers and unit numbers as required by code and program.

• Signage per Building Address plan; accessories per finish schedule.

DIVISION 11 / 12 — Appliances, Cabinets & Countertops Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install kitchen & bath cabinetry (supply, measure, install) with all trim, fillers, toe-kick and hardware per the cabinet layout.

• Furnish, template, fabricate and install granite/quartz countertops with sink cut-outs and backsplash per selections.

• Furnish and install all-electric appliances (range, hood/OTR microwave, dishwasher, refrigerator) as selected; coordinate final hook-up with plumbing/electrical.

• Cabinets & countertops per cabinet layout and Selections; appliance package all-electric.

DIVISION 21 — Fire Suppression Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Design (NICET-stamped), furnish and install a complete NFPA-13R residential fire-sprinkler system for all units and common areas, incl. hydraulic calculations, heads, piping, cover plates, and connection at the riser/sprinkler room.

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• Coordinate soffits/chases to conceal piping and provide monitoring/flow-switch tie-in to fire alarm/electrical.

• System: NFPA-13R per 2025 NYS Fire Code; coordinate with rated assemblies and drywall cover plates.

DIVISION 22 — Plumbing Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install complete rough and finish plumbing for all 15 units: DWV, water distribution (PEX), fixtures (WC, lavatory, tub/shower, kitchen sink), hose bibs, washer boxes, and heat-pump water heater connections (all-electric).

• Install water & sanitary building services from 5 ft outside the foundation and tie to the site utilities;

storm/sump/foundation drainage as applicable.

• Set owner-supplied fixtures where noted; dishwasher/ice-maker final connections; test and certify.

• All-electric — heat-pump water heaters (no gas). Reference plumbing plan; fixtures per selections.

DIVISION 23 — HVAC & Ventilation Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install air-source heat-pump systems with matched air handlers sized to the Manual-J / Heat Calcs for each unit; refrigerant lines, condensate, and exterior condenser pads/mounts.

• Furnish and install all supply/return ductwork sized and sealed (duct mastic) with registers/grilles;

balanced airflow.

• Continuous mechanical ventilation / ERV and bath & kitchen exhaust per M1505 (min. rates per bedroom count); wall caps & roof jacks (roofing by others).

• Programmable/setback thermostats and all low-voltage controls; startup, balancing and commissioning.

• NOTE: some drawing sheets carry a legacy high-efficiency furnace and tank note; the project is ALL-ELECTRIC heat pump per the ResCheck / Decarbonization package, which governs. Bid heat pumps, not a fossil furnace.

Key specifications & references:

• ALL-ELECTRIC heat pumps — no gas. Reference: Heat Calcs and equipment cut-sheets;

Decarbonization compliance checklist.

DIVISION 26 — Electrical Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install complete electrical: service entrance, metering (per-unit + house meter), unit panels and all branch circuits/breakers (AFCI/GFCI) per code and plan.

• Rough & finish: receptacles, switches, undercabinet lighting, ceiling boxes, feeds to heat pumps/air handlers, and appliance circuits.

• Furnish and install the lighting-fixture package (recessed/wafer + fixtures), 110V interconnected smoke/CO detectors, bath fans/controls, and fire-caulking of penetrations.

• Interconnected hard-wired smoke (SD) + carbon-monoxide (CO) detectors per R314, within 10 ft of all sleeping areas; connect the concrete-encased electrode (Ufer) ground.

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• Low-voltage: TV/data/telephone, doorbell, and coordination of fire-alarm/sprinkler monitoring;

provide conduit/provisions for future EV where indicated.

• Reference: Lighting Layout (all buildings), electrical plan; all-electric loads incl. heat pumps.

DIVISION 31 — Earthwork Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Excavate for footings, foundations, slabs and porches; excavate garage/porch areas; haul-off / spoil management.

• Structural fill, compaction and backfill at foundations (after walls anchored/braced); under-slab stone base and vapor prep.

• Final grading to drainage; footer drain / foundation drainage and sump/daylight tie-ins.

• Bearing 2,500 psf; footings on undisturbed soil; drainage per contractor responsibility note (A102).

DIVISION 32 — Exterior Improvements Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install driveways and parking (gravel base + asphalt/paving per approved color), concrete sidewalks, aprons and stoops.

• Landscaping: finish grade, topsoil, seed/sod, plantings, and site restoration per the Landscaping Plan (06).

• Site amenities: lamp posts / site lighting, and any fencing/screening shown.

• Reference: Landscaping Plan 06; paving color per approved submittal; Site Plan mylars.

DIVISION 33 — Utilities Scope of work - furnish labor and/or materials, equipment, supervision and coordination to complete the following per the Contract Documents:

• Furnish and install site water main, services, valves, meters and backflow (RPZ) enclosure; sanitary sewer mains/laterals; and storm drainage / detention per civil plans.

• Coordinate taps, disinfection/testing, and inspections with the water authority and Town of Macedon.

• Reference: Site Plan – Final Signed Mylars; S&U package; utility notes.