16_CEEC-MOD_RFP_Attachment K_DD-OutlSpecs-DSked.pdf

ATTACHMENT K

OUTLNIE TECHNICAL SPECFICIATIONS

Design Development Phase

New Center for Early Education and Care

University of Massachusetts Amherst

SEPTEMBER 16, 2026

Outline Technical Specifications

1. General A. The Contractor’s final design & construction under this Contract shall comply with all UMass Amherst

Campus Design Guidelines & Standards as published on the University’s website (https://www.umass.edu/facilities/construction-design-standards) as of the proposal due date, unless otherwise noted or approved in writing by the UMA Project Manager.

B. The following preliminary technical specifications (specifications) shall not be construed as limiting or excluding any contractor, manufacturer, or vendor but rather being provided to establish a level of quality, material, finish, etc... that in combination with Attachment J (the “Drawings”), establish a Basis of Design for your consideration and review as you prepare your proposal in response to this RFP.

C. Any substantial deviations from these Specifications and/or Drawings shall be described in detail in your technical non-price proposal as outlined in Attachment A of this RFP.

D. Design/Certifications must be provided by architect(s) and engineer(s) licenses in the Commonwealth of Massachusetts.

E. Full-time site supervision shall be required anytime any work is occurring on the site.

F. The Contractor is responsible for maintaining the site and areas used to access (roads, sidewalks, etc…) the site in a neat and clean manner, inclusive of any clean-up activities deemed necessary by the UMA Project Manager to keep dirt, dust, debris, trash, etc… to a minimum. This work shall include any costs associated with the removal and disposal of all waste related to these site maintenance activities.

G. The Contractor shall be responsible for submitting on all proposed finish materials inclusive of a full set of available color samples for each material for review and approval during the design/preconstruction phase of the project. The University requires receiving all material color samples submitted together to allow for a proper comprehensive review and approval. The color selection and approval process may take up to 6 weeks from receipt of the full comprehensive submittal package including time for resubmission of any materials not acceptable to the University. It is the Contractor’s responsibility to ensure those color samples are submitted far enough in advance and in the required comprehensive manner to facilitate the required review and approval to avoid any adverse impact to the Contractor’s project schedule.

2. Building Size and Space Program

A. The Contractor shall refer to the Drawings for the building size and space program requirements. The floor plan space layout is of critical importance and preference from the University to not have changes made to the plan if at all possible.

B. The Drawings are noted to be 100% Design Development level of documents for a stick-built building.

The Contractor shall include in their technical non-price proposal documentation Drawings and descriptions noting any proposed changes to the Building Size and/or Space Program required to convert the current design from a stick-built approach to a modular building design approach.

3. Codes and Permitting

A. The Contractor is responsible for designing and constructing the project in compliance with all applicable federal, state, and local codes, executive orders, and regulations.

https://www.umass.edu/facilities/construction-design-standards

B. The Contractor shall be responsible for obtaining and paying fees associated with code compliance and permitting this project unless specifically noted elsewhere in this RFP.

4. Site Work

A. The Contractor shall refer to the Geotechnical Engineering Recommendations report (prepared in April 2026) provided in Attachment L, for information on the soil conditions on the site. This geotechnical report is being provided to support the Contractor’s architect(s) and engineer(s) in the design of structural and foundation systems, storm water management, and any other site/soil related systems necessary for the project.

B. The Contract is responsible for all site work as required to deliver a complete, finished, and operational project, including all site utility work necessary to connect the new building to the existing utility systems.

1. The Contractor shall be responsible for coordinating with the University and the Town of Amherst for sanitary sewer, since that existing utility system is not owned by the University. This coordination shall take place prior to making final connections to all existing utilities.

2. For the sanitary sewer connection, the Contractor shall be responsible for paying any required utility permitting or connection fees.

C. The Contractor shall be responsible for restoring any existing site conditions and/or finishes that are adversely impacted during construction activities to their preconstruction condition or better, including efforts like seeding & establishing disturbed lawn areas and patching concrete and/or asphalt paving as required.

D. Exterior Concrete Slabs and Walkways:

1. The Contractor shall be responsible to ensure that all trade labor as well as the foreman and supervisors installing and/or overseeing all exterior concrete slabs and walkways have the following certifications:

a. Concrete Flatwork Technician and Flatwork Finisher by ACI

b. Concrete Exterior Finisher Certification as issued by NRMCA

2. The Contractor shall also be responsible for coordinating with the Owner’s third-party testing agency for all necessary construction testing & inspections deemed necessary for all concrete placements on the project.

3. Concrete Products:

a. Cement: American Portland Cement of standard manufacture, free from foreign matter and damp set. Unless otherwise permitted by the Owner’s Representative, conform to ASTM C 150, Type II or ASTM C595 Type IL. Do not change brands or types of cement without prior approval of the UMA Project Manager.

b. Aggregates: All aggregates are subject to the Owner’s Representative's review. Do not change source of aggregates without prior approval of the Owner’s Representative. Do not use frozen aggregates.

i. Fine aggregate: Use natural sand conforming to ASTM C33; free of injurious amount of shale, alkali, organic matter, loam or other deleterious substances. Do not use manufactured sand without approval of the Owner’s Representative.

ii. Coarse aggregate: Use clean crushed stone or gravel conforming to ASTM C33, coarse aggregate gradation < 1”.

c. Water for mixing and curing concrete shall be clean, fresh, free of oils, acids, alkali, organic materials or other deleterious substances. It shall meet the requirements of ASTM C 94.

d. Supplementary Cementitious Materials (SCM): Per ACI 318, Table 26.4.2.2(b), for Exposure F2, use fly ash, pozzolan, ground granulated blast-furnace slag, and silica fume to reduce the total amount of Portland or Portland-Limestone cement, which would otherwise be used.

e. Admixtures:

i. Air Entrainment: Conform to ASTM C260. Air-entraining agent must be by the same manufacturer as water-reducing agent.

ii. Water Reducing Agent: Conform to ASTM C494, Type A, or Type A and Type F, water reducing admixtures. Water-reducing agent must be by the same manufacturer as air-entraining agent.

iii. Accelerating Admixture: Conform to ASTM C494, Type C and may be used when temperatures are below 50 degrees Fahrenheit (10 degrees Centigrade). Do not use without specific approval of the Owner’s Representative.

iv. Initial Set Retarder: Conform to ASTM C494 Type S and ASTM E514. Set retarder shall be used whenever a monolithic pour exceeds 35 cubic yards in order to ensure sufficient delivery, placement, vibration and compaction time.

v. Crystalline Waterproofing Admixture: Permeability-reducing admixture for hydrostatic conditions (PRAH) as defined by ACI 212.3R-10 Chapter 15; Provide as a powdered waterproofing admixture, applied at the batch plant, for use in ready-mix concrete.

vi. No other admixtures are permitted without prior approval by the Owner’s Representative.

vii. Admixtures shall be compatible with one another and with aggregates, cement, finishing materials, and other materials which may be affected thereby. Use of chemical admixtures manufactured by one company is recommended.

viii. The use of calcium chloride or any admixture which contains calcium chloride or other chloride based ingredients shall NOT be permitted.

f. Sealers:

i. Penetrating Anti-Spalling Sealer: The system shall conform to the requirements with

ASTM C 957-81.

ii. The sealer shall be a silane/siloxane based compound that conforms to the following:

a) NCHRP 244 Series II Reduction of Water absorption (compared to untreated control) 89%

b) NCHRP 244 Series IV Reduction in total chloride ion concentration (compared to untreated control) 91%

c) AASHTO T259/260 Chloride penetration 2.8; Total chlorides, pcy 2.1

d) ASTM C 140 Reduction of water absorption (compared to untreated control) 92%

e) ASTM C 67 Reduction of water absorption (compared to untreated control) 94%

f) ASTM E 514 Wind-driven rain penetration (percent reduction of control) 89%

g) Surface deterioration/discoloration: None

h) Penetration (depending on substrate) 1-10 mm

i) Resistance to: Sunlight - Excellent; Alkalinity – Excellent

j) Surface Appearance (after application) No change

iii. Product shall be similar and equal to: ChemEx: Monochem – Aquaseal W20

iv. Sealer treated concrete must exhibit no scaling when exposed to 125 cycles of freezing and thawing. The tests must be performed by an independent testing laboratory.

g. Accessories/Miscellaneous Materials:

i. Semirigid Joint Filler: Two-component, semirigid, 100 percent solids, epoxy resin with a

Type A shore durometer hardness of 80 aromatic polyurea with a Type A shore durometer hardness range of 90 to 95 per ASTM D 2240.

ii. Construction Joint Bonding: Brush applied on neat cement paste immediately prior to concrete placement. Daraweld by W.R. Grace, Eucoweld by the Euclid Chemical Company, or approved equivalent, may be used.

iii. Control Joint Forms: Key-Loc Joint System by Form-A-Key or approved equivalent.

h. Concrete Mix:

i. Cast-in-place concrete: Conform to ACI 301

a) Normal weight concrete shall have an air dry weight not exceeding 150 pounds per cubic foot (2400 kg/m3).

b) Maximum Aggregate size: 3/4”.

c) Minimum 28-day compressive strength:

1) 4,000 psi

2) Splitting tensile strength determined in accordance with ASTM C330 and C496 shall equal or exceed 423psi.

3) Maximum water-cement 0.45

4) Maximum allowable net water content is the total water in the mix at the time of mixing, including free water on aggregate.

d) Consider SCM’s as part of the cement content for purposes of establishing cement factor and w/c ratio.

e) Air Content: 5.5%, +/-1.5%

f) Supplementary Cementitious Materials (SCM) to replace between 20% and 25% of the PLC per ACI 301: Table 4.2.1.1(b) with any combination of:

5) Fly Ash - Type F

6) Slag - Grade 120

g) Include Crystalline Waterproofing Admixture, dose per manufacturer recommendation.

ii. Slump Limits: Proportion and design mixes to result in concrete slump at point of placement as follows:

a) Concrete not containing water-reducing admixture: Not more than 4 inches, (+/-) 1”.

b) Concrete containing mid-range water-reducing admixtures: Not more than 6”, (+/-)

1”.

c) The proportions of aggregate to cement for any concrete shall be such as to produce a mixture which will work readily into the corners and angles of the forms and around reinforcement with the method of placing employed not he work, but without permitting the materials to segregate or excess free water to collect on the surface.

d) Pre-mix admixtures in solution form and dispense as recommended by the manufacturer. Include the water in the solution in the design water content of the mixtures.

e) Maximum water soluble chloride ion (C1-) in concrete: 0.10% by weight of cement.

i. Reinforcement Materials:

i. Reinforcing Bars: ASTM A 615, Grade 60, Deformed.

ii. Galvanized-Steel Welded-Wire Reinforcement: ASTM A1060

4. Concrete Placement:

a. Unless otherwise specified, place all concrete in accordance with ACI PRC-304, 305, and 306.

Do not place any concrete until the Owner’s Representative has reviewed the proposed mix, proposed construction sequence and method of placing.

b. Only place concrete when environmental conditions are satisfactory. Do not place concrete when conditions may adversely affect the placing, finishing or curing of concrete, or its strength. The owner has final authority to approve or deny a placement based on weather conditions as outlined in this specification.

c. Do not place concrete when the ambient temperature exceeds 95°F or when below 40°F.

5. Concrete Finishing:

a. Inspector to determine when Finishing work may proceed.

b. Finishing operations shall be delayed until all bleed water and water sheen has left the surface and the concrete has started to stiffen.

c. Do not sprinkle dry cement or mixture of dry cement and sand on the surface to absorb moisture.

d. After water sheen has disappeared, edging operations, where required, shall be completed.

e. After edging and joining operations, the surface shall be floated. Magnesium floats shall be used for all finishing operations. If necessary, tooled joints and edges shall be rerun before and after floating to maintain uniformity.

f. After floating, the surface shall be brushed by drawing a soft-bristled push broom with a long handle over the surface of the concrete to produce a nonslip surface.

6. Concrete Curing:

a. Wet cure concrete with water and Polyethylene Film per ACI 301.

b. Final wet curing materials applied to the concrete shall allow the concrete to mature sufficiently to achieve its designed and desired properties, including strength, volume stability, permeability, durability, and resistance to freezing, thawing, and de-icing cycles.

c. For concrete placements not governed by Cold Weather Placement procedures specified above, Final wet curing shall be maintained until all of the following criteria are met:

i. Sustained concrete temperature remains between 50deg F and 90deg F.

ii. Compressive Strength is greater than 70% f’c

iii. 10 Days have passed since placement of concrete.

iv. Requirements of Section 1.7.G above

d. Water:

i. Potable and not detrimental to concrete.

ii. Temperature not to be more than 20deg F from internal concrete temperature and not less than 10 days.

iii. Water shall remain above freezing thought the duration of the curing cycle.

e. Polyethylene Film:

i. ASTM D 2103 and ASTM C 171, 4-mil thick, white color.

ii. Sheets shall be free of visible defects, including tears, wrinkles, and discontinuity.

iii. Application of additional curing water under the film or application of a polyethylene film bonded to absorbent fabric to the concrete surface may be required to prevent mottling and to retain and evenly distribute the moisture.

iv. The film shall be sufficient in length to extend beyond the edges of the concrete surface.

v. Edges of adjacent polyethylene film shall overlap a minimum of 6 inches and be tightly sealed with the use of sand, wood planks, pressure-sensitive tape, mastic, or glue to maintain close contact with the concrete surface, retain moisture, and prevent the formation of air pockets throughout the entire duration of the final curing method cycle.

vi. Polyethylene Film to be maintained throughout duration of wet curing phase.

7. Concrete Sealing: Apply spray applied sealing compound, conforming to ASTM C1315, to surface of finished concrete per manufacturer’s specifications at the completion of Final Wet Curing.

E. Asphalt Paving:

1. The Contractor shall be responsible for using a paving-mix manufacturer registered with and approved by MassDOT, Highway Division.

2. The Contractor shall comply with all applicable MassDOT, Highway Division hot-mix asphalt paving work requirements for materials, placement, workmanship, etc.

3. Comply with requirements of MassDOT, Highway Division, Standard Specifications for Highways and Bridges, including supplemental specifications and special provisions.

4. Comply with requirements of the Americans with Disabilities Act (ADA) and the Massachusetts Architectural Access Board (MAAB). If these requirements cannot be met with the grades and slopes indicated on the plans, notify the UMA Project Manager immediately.

5. Comply with requirements of the local authority having jurisdiction concerning the location and construction of accessible curb cuts.

5. Foundation Systems

A. The Contractor shall be responsible for pouring all concrete foundation systems for the project as required by Massachusetts code and sealed/stamped by a licensed professional Engineer or Architect.

B. The Contractor shall also be responsible for coordinating with the Owner’s third-party testing agency for all necessary construction testing & inspections deemed necessary for all concrete placements on the project.

6. Modular Building Main Structural Systems

A. The Contractor shall provide a wood or steel based main structural system and the Drawings submitted in the technical non-price proposal shall clearly indicate the proposed structural system as well as the size and quantity of modular units that are proposed for this project.

B. The Contractor shall provide any moisture, vapor, and/or air barrier and insulation required by code as part of the floor assembly along with a tongue & groove plywood subfloor.

7. Exterior Envelope Systems

A. Exterior wall construction shall be compliant with all applicable codes including specifically the building and energy codes.

1. The Contractor shall provide all required moisture, vapor, and air barriers as well as all insulation for code compliance.

2. The Contractor shall give special attention to the detailing and seaming of the joints during the installation of all the modular units that make up the project to ensure that those systems when installation is completed are contiguous.

B. Exterior Envelope System Testing: The Contractor shall pay for the following testing to be completed on the building prior to substantial completion:

1. Blower Door in Combination with Infrared Thermography Testing: The Contractor shall complete blower door testing on the completed building. The blower door test shall be completed by an accredited testing agency in accordance with:

a. ASTM E 779 “Test Method for Determining Air Leakage by Fan Pressurization”,

b. ASTM E 1827 “Test Method for Determining Airtightness of Buildings Using an Orifice

Blower Door”,

c. ASTM E1186 “Standard Practice for Air Leakage Site Detection in Building Envelopes and

Air Barrier Systems” Method 4.2.7, and

d. ASTM C1060 “Standard Practice for Thermographic Inspection of Insulation Installations in

Envelope Cavities of Frame Buildings.”

C. The Contractor shall propose exterior finish materials that minimize maintenance over the building’s life cycle, so for example a pre-finished thru-color fiber cement siding that does NOT require painting or other maintenance.

1. The Drawings included in this RFP show the Basis of Design for the exterior finish materials.

2. All exterior finish materials shall be included in the comprehensive color sample submittal package as outlined above.

3. All exterior finish materials, inclusive of any factory-applied finish, shall be provided with an extended warranty of at least a 15-years from the date of substantial completion.

D. Any exterior walls requiring fire ratings shall be clearly identified, and all penetrations shall be properly fire-stopped.

E. Refer to the interior finish section of these outline technical specifications for any requirements for the interior finishes on the exterior walls.

8. Roofing System

A. General

1. EPDM roof system, as determined by design requirements, and shall meet all snow and wind load code requirements of the State of Massachusetts. Roof shall be covered by a synthetic rubber roofing membrane, fully adhered system with all blocking, cover board, curbs, flashing, vapor barrier, insulation, maintenance walkway mats, sheet metal, trim, etc... required for a complete system installation.

2. Provide labor, materials and equipment necessary to complete all roof work, including but not limited to the following: adhered membrane roofing system; cover board, roof insulation; vapor retarder; and flashing for equipment mounted on roofing and roofing penetrations.

3. Coordinate the installation of plumbing for roof drains; roof curbs for HVAC equipment, miscellaneous rough carpentry for wood nailers, curbs, and blocking; metal roof penetration flashings, flashings, and counter-flashings; and joint sealants as required.

4. Provide installed roofing membrane and base flashings that remain watertight; do not permit the passage of water; and resist specified uplift pressures, thermally induced movement, and exposure to weather without failure.

a. Accelerated Weathering: Roofing system shall withstand 2000 hours of exposure when tested according to ASTM G 152, ASTM G 154, or ASTM G 155.

b. Impact Resistance: Roofing system shall resist impact damage when tested according to ASTM

D 3746 or ASTM D 4272.

5. Provide roofing materials that are compatible with one another under conditions of service and application required, as demonstrated by roofing manufacturer based on testing and field experience.

6. Roofing system shall be designed to withstand loads indicated on Drawings, but not less than loads required by Code.

7. Provide seamless gutter system with downspouts to divert water run-off from roof at exterior doors or other areas where pedestrians would normally walk under.

8. Provide roofing system that is capable of supporting future installation of photovoltaic panels.

9. Provide base flashings, perimeter flashings, detail flashings and component materials that comply with requirements and recommendations in FMG 1-49 Loss Prevention Data Sheet for Perimeter Flashings; FMG 1-29 Loss Prevention Data Sheet for Above Deck Roof Components; NRCA Roofing and Waterproofing Manual (Fifth Edition) for Construction Details and SMACNA Architectural Sheet Metal Manual (Seventh Edition) for Construction Details, as applicable.

10. Provide roofing system with Solar Reflectance Index (SRI) not less than the following when calculated according to ASTM E 1980 based on testing identical products by a qualified testing agency:

11. Low-sloped roof (less than or equal 2:12) - 82 minimum (initial): 64 (3-year aged).

12. Roofing system shall be listed on the DOE's ENERGY STAR "Roof Products Qualified Product

List" for low-slope roof products.

13. Exterior Fire-Test Exposure: ASTM E 108 or UL 790, Class A; for application and roof slopes indicated; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.

14. The University may engage a full-time roofing inspector during roof assembly, insulation, membrane, flashing and other appurtenances, and when a survey of the roof and roof drains is conducted.

B. Products

1. EPDM Roofing Membrane: ASTM D 4637, Type I, non-reinforced uniform, flexible sheet made from EPDM.

2. Auxiliary materials recommended by roofing system manufacturer for intended use and compatible with membrane roofing.

a. Liquid-type auxiliary materials shall meet VOC limits of authorities having jurisdiction.

b. Adhesives and sealants that are not on the exterior side of weather barrier shall comply with all applicable limits for VOC content.

3. Sheet Flashing: 60-mil-thick EPDM, partially cured or cured, according to application.

4. Epichlorohydrin Sheet at Areas Requiring Grease Resistance: 60-mil-thick, unreinforced flexible sheet with the following typical properties as determined per ASTM test method.

5. Bonding Adhesive: Manufacturer's standard bonding adhesive.

6. Seaming Material: Manufacturer's standard synthetic-rubber polymer primer and 3-inch-wide minimum with cover strip or 6-inch-wide, butyl splice tape with release film.

7. Lap Sealant: Manufacturer's standard single-component sealant, color to match roofing membrane.

8. Water Cutoff Mastic: Manufacturer's standard butyl mastic sealant.

9. Metal Termination Bars: Manufacturer's standard predrilled stainless-steel or aluminum bars, approximately 1 by 1/8 inch thick; with anchors.

10. Fasteners: Factory-coated steel fasteners and metal or plastic plates meeting corrosion-resistance provisions in FMG 4470, designed for fastening membrane to substrate, and acceptable to membrane roofing system manufacturer.

11. Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent sheet flashings, preformed inside and outside corner sheet flashings, T-joint covers, in-seam sealants, termination reglets, cover strips, and other accessories.

12. Vapor Retarder: Self-Adhering Sheet Vapor Retarder: ASTM D 1970, minimum 40-mil- thick film laminated to layer of rubberized asphalt adhesive; maximum permeance rating of 0.1 perm; cold-applied, with slip-resisting surface and release paper backing. Provide primer when recommended by vapor-retarder manufacturer.

13. Roof Insulation: Provide preformed roof insulation boards that comply with requirements and referenced standards, selected from manufacturer's standard sizes and of thicknesses indicated.

a. Tapered Insulation: Provide factory-tapered insulation boards fabricated to slope of 1/4 inch per 12 inches unless otherwise indicated.

b. Provide preformed saddles, crickets, tapered edge strips, and other insulation shapes where indicated for sloping to drain. Fabricate to slopes indicated.

14. Insulation Accessories: Furnish roof insulation accessories recommended by insulation manufacturer for intended use and compatible with membrane roofing.

a. Fasteners: Factory-coated steel fasteners and metal or plastic plates meeting corrosion-resistance provisions in FMG 4470, designed for fastening roof insulation to substrate, and acceptable to roofing system manufacturer.

b. Cold Fluid-Applied Adhesive: Manufacturer's standard cold fluid-applied adhesive formulated to adhere roof insulation to substrate.

1. Cover Board Adhesive: Manufacturer’s cold fluid-applied adhesive formulated to adhere cover board to insulation substrate.

c. Cover Board: Provide the following, as required by roofing manufacturer to comply with performance requirements and provide specified warranty.

1. Cover Board: ASTM C 1278/C 1278M, cellulosic-fiber reinforced, water-resistant gypsum substrate, 5/8 inch thick.

C. Walkways: Flexible, factory-formed, nonporous, heavy-duty, solid-rubber, slip-resisting, surface-textured walkway pads or rolls approximately 3/16 inch thick, and acceptable to membrane roofing system manufacturer.

D. Special Extended Warranties:

1. The Contractor shall provide roofing manufacturer warranty on the entire roofing system with a minimum term of not less than 30 years from the date of substantial completion. The warranty shall be a no dollar limit (NDL), non-prorated total system labor and material warranty, for wind speed as required by Code or as indicated on the Drawings. Total system warranty shall include all roofing materials, related components and accessories including, but not limited to the substrate board, vapor retarder, insulation board, cover board, roofing membrane, membrane flashings, fasteners, adhesives, metal roof copings, metal roof edges and termination metals and roof drain assemblies.

The manufacturer shall repair defects in materials and workmanship as promptly after observation as weather and site conditions permit.

2. The Contractor shall also provide a roofing installer’s warranty covering the complete roofing system installation with a minimum term of not less than 2 years from the date of substantial completion. In the event any work related to the roofing, flashing, or metalwork is found to be defective within two years of substantial completion, the roofing contractor shall remove and replace such at no additional cost to the Owner. The roofing subcontractor’s warranty obligation shall run directly to the Owner, and a copy the roofing signed warranty shall be sent to the roofing system’s manufacturer.

3. The Contractor shall provide an OSHA compliant fall protection system for any roof, gutter, or other system/equipment access that requires maintenance crews to access the roof.

9. Windows

A. Provide all windows as shown on the Basis of Design Drawings, including:

1. Fiberglass Windows

a. Commercial grade fixed, fiberglass windows

b. Low-e coated, double-glazed insulating glass units with argon

2. Interior Pass Windows

a. Sliding, lockable at the walls between main Lobby and Offices,.

b. Sliding at the wall between Kitchen and Gross Motor.

3. Louvers and Vents

a. Aluminum, wind-driven rain resistant with 2-coat PVDF finish

b. 2-coat PVDF painted finish

B. Windows shall be fixed and/or operable fiberglass (uPVC as applicable) with factory-installed glass and glazing. The windows shall be designed for compliance with all applicable energy codes and executive orders.

1. Provide windows complying with performance requirements indicated, based on testing manufacturer's windows that are representative of those specified and that are of the minimum test size required by AAMA/NWWDA 101/I.S.2.

2. Performance Class and Grade: AAMA/WDMA/CSA 101/I.S.2/A440 as follows:

a. Minimum Performance Class: CW.

b. Minimum Performance Grade: Equivalent to design wind load indicated on Structural

Drawings.

3. Design glass framing system to limit lateral deflections of glass edges to less than 1/175 of glass-edge length or 3/4 inch, whichever is less, at design pressure based on structural computations.

4. Thermal Transmittance: Provide windows and doors with a whole-unit U-value as required by Code, when tested according to AAMA 1503. Submit proof of compliance with submittals as specified.

5. Solar Heat-Gain Coefficient: Provide windows and doors with a whole-unit SHGC as required by

Code when determined according to NFRC 200 procedures. Submit proof of compliance with submittals as specified.

6. Thermal Movements: Provide windows, including anchorage, that accommodate thermal movements of units resulting from the following maximum change (range) in ambient and surface temperatures without buckling, distortion, opening of joints, failure of joint sealants, damaging loads and stresses on glazing and connections, and other detrimental effects. Base engineering calculation on actual surface temperatures of materials due to solar heat gain and nighttime-sky heat loss.

a. Temperature Change (Range): 120 deg F, ambient; 180 deg Fmaterial surfaces.

7. All windows shall be installed with proper wall flashings, vapor retarders, water and weather barriers, and other built-in components to ensure coordinated, weathertight window installation.

C. Quality Assurance

1. Information on Drawings and in Specifications establishes requirements for windows' aesthetic effects and performance characteristics. Aesthetic effects are indicated by dimensions, arrangements, alignment, and profiles of components and assemblies as they relate to sightlines, to one another, and to adjoining construction. Performance characteristics are indicated by criteria subject to verification by one or more methods including preconstruction testing, field testing, and in-service performance.

2. Fenestration Standard: Comply with AAMA/NWWDA 101/I.S.2, "Voluntary Specifications for Aluminum, Vinyl (PVC) and Wood Windows and Glass Doors," for minimum standards of performance, materials, components, accessories, and fabrication unless more stringent requirements are indicated.

a. Provide AAMA certified windows with an attached label.

3. Glazing Publications: Comply with published recommendations of glass manufacturers and GANA's

"Glazing Manual" unless more stringent requirements are indicated.

4. Mockups: Build mockups to verify selections made under sample submittals and to demonstrate aesthetic effects and set quality standards for materials and execution.

D. Fiberglass (and UPVC as applicable) Windows

1. Fixed and operable as indicated on Drawings. Frame and sash profiles are made from pultruded fiberglass, nominal wall thickness of 0.090 in., with a minimum glass content of 60%. Non-structural accessory members are permitted to be in vinyl or aluminum and are identified as such.

a. Finish and Color: TBD.

2. Reinforcement: Galvanized steel of size, configuration, and location within the window or door as indicated in the test reports.

3. Glazing: Low-e coated, triple-glazed insulating glazing units as specified in Section 088000–

EXTERIOR GLAZING. Glazing System: Manufacturer's standard factory-glazing system that produces weathertight seal.

a. Tempered safety glass where indicated and where required by code.

b. Comply with requirements of Section 088000 - EXTERIOR GLAZING

E. Hardware

1. Provide manufacturer's standard hardware fabricated from aluminum, stainless steel, carbon steel complying with AAMA 907, or other corrosion-resistant material compatible with adjacent materials;

designed to smoothly operate, tightly close, and securely lock windows and doors, and sized to accommodate sash weight and dimensions.

a. Operation Type: As indicated on Drawings.

b. Hardware Style and Finish: As selected by Architect from full range of manufacturer.

2. Locks and Latches: Allow unobstructed movement of the sash across adjacent sash in direction indicated and operated from the inside only. Provide custodial locks.

3. Window Opening Control Device: Limit devices designed to restrict sash opening to 4 inches for ventilation; with custodial key release.

a. Where window acts as required means of egress, comply with ASTM F 2090.

4. Door Threshold and Sill Cap/Tracks: Manufacturer's standard; of dimensions and profile indicated on

Drawings; designed to comply with performance requirements indicated and to drain to exterior.

5. Compression-Type Weather Stripping: Provide compressible weather stripping designed for permanently resilient sealing under bumper or wiper action and for complete concealment when window or door is closed.

a. Weather-Stripping Material: Elastomeric cellular preformed gaskets complying with ASTM C 509.

6. Sliding-Type Weather Stripping: Provide woven-pile weather stripping of wool, polypropylene, or nylon pile and resin-impregnated backing fabric. Comply with AAMA 701/702.

a. Weather Seals: Provide weather stripping with integral barrier fin or fins of semirigid, polypropylene sheet or polypropylene-coated material. Comply with AAMA 701/702.

7. Replaceable Weather Seals: Comply with AAMA 701/702.

F. Insect Screens

1. General: Design windows and hardware to accommodate screens in a tight-fitting, removable arrangement, with a minimum of exposed fasteners and latches. Provide for each operable exterior sash or ventilator.

2. Insect Screen Frames: Manufacturer's standard aluminum alloy complying with SMA 1004. Fabricate frames with mitered or coped joints, concealed fasteners, and removable PVC spline/anchor concealing edge of frame.

a. Aluminum Tubular Framing Sections and Cross Braces: Roll formed from aluminum sheet with minimum wall thickness as required for class indicated.

b. Finish: Match window members.

3. Stainless-Steel Wire Fabric: 18-by-16mesh of 0.009-inch-diameter, nonmagnetic stainless-steel wire, Type 304 or 316, complying with FS RR-W-365, Type VI.

4. Wickets: Not allowed.

G. Accessories

1. Manufacturer’s standard anchors and fasteners, stainless steel, 300 series, sizes as required by use.

a. Exposed Fasteners: Do not use exposed fasteners to the greatest extent possible. For application of hardware, use fasteners that match finish hardware being fastened.

2. Opening Flashing: Flashing at openings meeting requirements of AAMA 711 or AAMA 714.

3. Exposed Flashing: Aluminum sheet, 0.032 inch thick, finished to match framing members.

4. Concealed Flashing: Manufacturer's standard corrosion-resistant, nonstaining, nonbleeding flashing compatible with adjacent materials.

5. Perimeter Sealant: Refer to Section 079200 - JOINT SEALANTS.

H. Assembly:

1. Comply with manufacturer's written instructions for installing windows, hardware, accessories, and other components; Drawings; and Shop Drawings.

2. The University may engage an independent testing and inspecting agency to perform field tests and inspections and to prepare test reports.

3. Adjust operating sashes and ventilators, screens, hardware, operators, and accessories for a tight fit at contact points and weather stripping for smooth operation and weathertight closure. Lubricate hardware and moving parts.

I. Special Extended Warranties:

1. The Contractor shall provide a special extended warranty from the window manufacturer for a term of at least 20 years from the date of substantial completion for repair or replacement of windows that fail in materials or workmanship. Failures include but are not limited to failure to meet performance requirements, structural failures including excessive deflection, water leakage, air infiltration, or condensation, faulty operation of movable sash and hardware, deterioration of metals, metal finishes, and other materials beyond normal weathering, and insulating glass failure.

2. The Contractor shall also provide a special extended warranty on the window finishes for a term of at least 10 years from the date of substantial completion.

3. The Contractor shall also provide a special extended warranty on the window glass for a term of at least 10 years from the date of substantial completion.

10. Exterior & Interior Doors & Frames:

A. Provide all doors as shown on the Basis of Design Drawings, including:

1. Hollow Metal Doors and Frames,

a. Galvanized exterior doors, frames, and sidelight frames, glazed where indicated.

b. Interior hollow metal door frames for wood doors.

c. Interior hollow metal sidelite frames for glazed panels.

2. Interior Aluminum Framing System

a. Interior aluminum framed storefront with glazed panels and doors

b. Powder coat painted finish

3. Flush Wood Doors

a. Interior solid core doors with transparent factory finish and glazed panels where indicated

4. Access Doors and Frames

5. Aluminum-Framed Entrances and Storefronts

a. Exterior, thermally-broken aluminum entrances and storefronts

b. Low-e coated, double-glazed insulating glass units with argon

c. Wide stile doors

d. 2-coat PVDF painted finish

B. All exterior steel frames shall be galvanized steel with fully welded joints that are ASTM A250.6 and ASTM A250.8 compliant.

C. All interior steel frames shall be fabricated from cold-rolled steel sheet with fully welded joints that are ASTM A250.6 and ASTM A250.8 compliant.

D. All metal exterior doors shall be thermal-rated galvanized steel that are ASTM A250.4, ASTM A250.8, and ASTM C 1363 compliant.

E. All fire doors shall be provided with the proper fire-protection and temperature-rise rating required by code.

F. All metal interior doors shall be fabricated from cold-rolled steel sheet and ASTM A250.8 compliant.

G. All exterior doors shall be installed with proper wall flashings, vapor retarders, water and weather barriers, and other built-in components to ensure a coordinated, weathertight door installation.

H. Locksets must accept Medeco interchangeable-core 7-pin tumbler insert cylinder. Contractor to provide construction cores as required, and deliver final key cores to UMASS Lock Shop for keying. Provide 3 key blanks per lockset.

I. Warranties:

1. The Contractor shall provide a special extended warranty from the door manufacturer for a term of at least 20 years from the date of substantial completion for repair or replacement of doors that fail in materials or workmanship. Failures include but are not limited to failure to meet performance requirements, structural failures including excessive deflection, water leakage, air infiltration, or condensation, faulty operation of movable frame and hardware, deterioration of metals, metal finishes, and other materials beyond normal weathering, and insulating glass failure.

2. The Contractor shall also provide a special extended warranty on the door finishes and door glass for a term of at least 10 years from the date of substantial completion.

11. Fire Protection System:

A. The building will be protected by a wet sprinkler system with piping and heads to provide automatic coverage throughout all areas in accordance with the requirements of NFPA 13 (2019 Edition).

B. Automatic Sprinkler System:

1. The building will be provided with a new 6” fire service.

2. A double check valve backflow preventer and riser check assembly will be provided on the fire service.

3. UMA has confirmed that redundant backflow preventers do not need to be provided on the fire service.

4. Sprinkler system piping shall be hydraulically sized according to the following criteria:

a. Light Hazard Occupancy Areas 225 SF / Head

0.10 GPM/SF over hydraulically most remote 1,500 SF 100 GPM hose stream allowance.

b. Ordinary Hazard Occupancy Areas 130 SF / Head

0.15 GPM/SF over hydraulically most remote 1,500 SF 250 GPM hose stream allowance.

C. Fire Dept. Connection (FDC): A 4” Storz FDC will located at the front of the building.

D. Materials:

1. All 1” wet sprinkler piping shall be Schedule 40 steel pipe with threaded fittings.

2. All 1-1/4” to 2” wet sprinkler piping may be either Schedule 40 steel piping with threaded fittings or Schedule 10 steel piping with grooved couplings.

3. All 2-1/2” wet sprinkler piping shall be Schedule 10 steel piping with grooved couplings.

4. Piping for all dry pipe fire protection systems shall be Schedule 40 galvanized steel. Fittings for all dry pipe fire sprinkler systems shall be fully galvanized.

5. All sprinkler heads shall be quick-response, glass-bulb type heads.

6. Sprinkler heads to be semi-recessed style in areas with suspended ceilings.

7. Sprinkler heads in mechanical rooms and other spaces without hung ceilings shall be upright or pendent, as required by location.

8. The double check valve assembly (DCVA) will be equal to Ames 2000SS and be provided with monitored isolation valves in accordance with the requirements of NFPA 13 (2019 Edition).

12. Plumbing System:

A. General:

1. The building will be provided with a new 3” domestic water service.

2. A reduced pressure backflow preventer and water meter will be provided on the domestic water service.

3. UMA has confirmed that redundant backflow preventers do not need to be provided on the domestic water service.

4. The building will be provided with a sanitary sewer system.

5. Vent piping will be combined and terminated at the roof level.

6. The storm drainage system will consist of gutters and downspouts (work by GC).

7. Domestic Hot Water Plant (All-Electric):

a. One (1) 80 gallon electric tank type hot water heater will be provided and located in the Water Room.

b. A hot water recirculation pump will be provided to recirculate hot water.

B. Fixtures/Equipment:

1. Water closets will be low flow 1.28 gpf, wall-hung, rear outlet type.

2. Water closets in toddler and pre-K classroom areas will be child height.

3. Lavatories will be vitreous china with automatic sensor operated faucets, 0.35 gpm low flow type.

4. There will be no urinals.

5. Classroom sinks will be stainless steel, double bowl, undermount type with 1.5 gpm faucet.

6. Drinking water stations will be handicapped accessible, refrigerated, in-wall bottle filling stations with filter.

7. Kitchen sinks to be stainless steel, single bowl, undermount type provided with 1.5 gpm faucet.

8. Janitor’s sinks will be a 24”x24” floor mounted mop sink with exposed faucet and mop hanger.

9. A reduced pressure backflow preventer will be provided on cold water and hot water piping serving the janitor’s sink.

10. Floor drains will be provided at backflow preventers, group toilet rooms and at the sprinkler riser station. Each floor drain will be provided with a trap and trap primer.

11. Wall hydrants will be provided along the exterior wall.

12. A cold water hose bibb will be provided in each group bathroom.

13. All Plumbing products shall be approved by the State Plumbing Board.

C. Materials:

1. Domestic cold water and hot water piping shall be Type-K copper with 95-5 soldered joints or Pro- Press push-to-connect fittings.

2. Sanitary and storm piping 3” and larger shall be cast iron drainage, waste and vent type with clamp type no-hub fittings. Piping 2” and smaller shall be Type-K copper.

3. All cold water and hot water piping shall be insulated with 1” thick fiberglass sectional pipe insulation having all service jacket.

13. HVAC System:

A. General:

1. Building will not be LEED certified but will need to meet campus sustainability goals.

2. Building will be provided with a flat roof. HVAC equipment will be located on the flat roof.

B. Applicable Codes & Regulations:

1. International Mechanical Code (IMC 2021)

2. International Energy Conservation Code (IECC 2021) with MA Amendments

3. Massachusetts Stretch Energy Code

4. Massachusetts Specialized Opt-In Stretch Energy Code (Specialized Code)

5. UMA Design Standards

C. Heating and Cooling System: VRF Air-Source Heat Pump (All Electric)

1. VRF (Variable Refrigerant Flow) air-to-air heat pump system with combination of indoor horizontal ducted fan coil units or ceiling cassette type fan coil units with plenums for fresh air duct connections. System shall be capable of full heating capacity down to 0F and minimum 80% of heating capacity down to -15F.

2. VRF Air-Source Heat Pumps: Mitsubishi, Daikin or Trane air-to-air heat pump system with heat recovery. Outdoor units to be provided with wind guard, hail guard, low ambient controls, 24” high stand and Hyperheat capable of heating to -13F.

3. Each outdoor heat pump system will require a branch selector box for refrigerant pipe connections.

D. Ventilation System:

1. One outdoor packaged energy recovery ventilator (ERV-1) will be located on the roof and pre-condition outside air and supply the fresh air to indoor VRF fan coil units (FCU). ERV-1 to be sized for 5,435 cfm and provided with a supply fan, exhaust fan, energy recovery heat exchanger and roof curb.

2. Supply air and general exhaust air (return air to heat wheel) will run horizontally on the roof.

Exterior ductwork will be insulated with 2” rigid duct insulation and one layer of rubber roof membrane.

3. The FCUs will receive fresh air from the ERV unit and mix with its local return air. The FCUs will provide further conditioning to the mixed air as needed before discharging into space. The FCUs will be responsible for maintaining its local space temperature set point. Spaces with a higher demand will have more than one FCU.

4. Toilet exhaust air will be ducted to ERV-1.

5. Spaces will be provided with low return registers.

E. Multi-Purpose Room (Gross Motor): Will be provided with two (2) horizontal fan coil heating and cooling units located above the adjacent room ceilings.

F. Small Classrooms: Will be provided with a horizontal fan coil heating and cooling unit located above the adjacent bathroom ceiling and provided with wall supply registers.

G. Large Classrooms:

1. Will be provided with a horizontal fan coil heating and cooling unit located above the adjacent bathroom ceiling and provided with wall supply registers.

2. b. Will be provided with a supplemental wall-mounted fan coil heating and cooling unit.

H. Offices: Will be provided with a horizontal fan coil heating and cooling unit and ducted supply to ceiling diffusers.

I. Perimeter Bathrooms: Each perimeter bathroom will be provided with a wall-mounted fan coil heating and cooling unit.

J. Electric Room: Will be provided with a wall-mounted fan coil heating and cooling unit.

K. Water/Fire Service Room: Will be provided with a wall-mounted fan coil heating and cooling unit.

L. IT Closet:

1. Will be provided with a wall-mounted fan coil heating and cooling unit.

2. The split system will be mated to its own (3-ton) outdoor heat pump.

M. Kitchen Hood:

1. Hood over warming kitchen oven will be a residential style hood provided with an integral fire suppression system. This is not a commercial cooking kitchen.

2. Kitchen exhaust airflow will be less than 400 cfm.

N. Dryer Exhaust: Each dryer will be provided with 4” round dryer vent with roof or wall termination.

O. Materials:

1. Packaged rooftop energy recovery ventilator to be Valent, or equal, provided with a supply fan, exhaust fan, energy recovery heat exchanger, MERV 13 filters and roof curb.

2. Fan coil units to be Mitsubishi, Daikin or Trane, with supply fan, VRF heating and cooling coil, ECM motor and internal closed cell foam insulation.

3. Outdoor heat pumps shall be Mitsubishi, Daikin or Trane VRF (Variable Refrigerant Flow) air-to-air heat pump heat recovery modules with wind guard, hail guard, low ambient controls, 24” high stand and Hyperheat capable of heating to -13F.

4. Rooftop unit (RTU-1) to be Valent, or approved equal, packaged rooftop heat pump unit with heat recovery wheel, secondary electric heating coil, double wall construction and roof curb.

5. Refrigerant piping shall be Type ACR refrigeration-grade copper tubing with brazed joints.

6. Refrigerant piping shall be insulated with 3/4” thick closed cell foam insulation. Outdoor sections to be protected with PVC jackets.

7. Ductwork to be galvanized steel.

8. All supply, return and general exhaust (return to heat wheel) ductwork shall be insulated with 2” thick heavy density fiberglass duct wrap. Ductwork located outdoors shall be insulated with 2” thick heavy density rigid duct board and wrapped with one layer of rubber roofing membrane.

9. DDC controls based on campus pre-approved vendors JCI or ALC (Automated Logic Controls).

14. ELECTRICAL

A. Provide labor, materials and equipment necessary to complete all work of, including but not limited to, the following:

1. Electrical work

2. Common work results for electrical

3. Electrical power conductors and cables

4. Grounding and bonding for electrical systems

5. Hangers and supports for electrical systems

6. Raceway and boxes for electrical systems

7. Vibration and seismic controls for electrical systems

8. Identification for electrical systems

9.…