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Addendum No 2Glens Falls National Bank Addendum #1 Queensbury Renovation February 15, 2024 Page 1 of 1 ADDENDUM #2 TO THE CONSTRUCTION DOCUMENTS FOR GLENS FALLS NATIONAL BANK QUEENSBURY RENOVATION The following changes, additions, and/or deletions are hereby made part of the construction documents of the above project, fully and completely, as if contained in the documents. All other conditions of the original Invitation to Bid and bid set remain unchanged. This Addendum must be acknowledged on the Bid Form. The Bid submittal date and time are not changed by this Addendum. General Information  Please note that the Documents call for the Contractor to produce as-built drawings. Addendum Items 1. Question: How should the cost of temporary heating and cooling be handled? Answer: Please provide a $10,000 allowance in your bid for temporary heating and cooling. 2. Question: Is a chute from the second floor allowed for demolition? Answer: A chute is allowed from the second floor to a dumpster in the designated Contractor lay-down area facing Lafayette Street. 3. Question: Who is responsible for removal of the existing gas meter? Answer: Removal of gas service from the street and removal of the existing meter shall be by National Grid. Responsibility for the gas service inside the building is by the Contractor. The Contractor shall coordinate directly with National Grid. 4. Question: What are the thicknesses of the binder and top course for site paving, and what is the asphalt type? Answer: Please refer to attached sketches. Revisions to Contract Drawings  Drawings M701: Updated Water Source Heat Pump Schedule Revisions to Project Manual  Specification section 230719 Insulation, paragraph 3.12: updated the “Ductwork Service Insulation Material Schedule” to clarify ductwork to receive internal flexible elastomeric duct liner, as indicated on the drawings. Attached Drawings  B-SK-01 TYPICAL PAVING DETAILS  B-SK-02 TYPICAL PAVING DETAILS  M701 SCHEDULES END OF ADDENDUM GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 1 INSULATION SECTION 230719 INSULATION PART 1 GENERAL 1.01 ABBREVIATIONS A. FS: Federal Specification. B. K: Thermal Conductivity, i.e., maximum Btu per inch thickness per hour per square foot. C. pcf: Pounds per cubic foot. D. PVC: Polyvinylchloride. 1.02 SUBMITTALS A. Product Data: 1. Manufacturer’s catalog sheets, specifications and installation instructions for insulation materials and jacket materials. 2. Materials Schedule: Itemize insulation materials and thicknesses for each specified application in Insulation Material Schedules in Part 3 of this Section. Where optional materials are specified, indicate option selected. 1.03 QUALITY ASSURANCE A. Qualifications: The persons installing the Work of this Section and their Supervisor shall be personally experienced in mechanical insulation work and shall have been regularly employed by a company installing mechanical insulation for a minimum of 5 years. B. Regulatory Requirements: 1. Insulation installed inside buildings, including duct lining materials, laminated jackets, mastics, sealants and adhesives shall have a Fire Spread/Smoke Developed Rating of 25/50 or less based on ASTM E 84. PART 2 PRODUCTS 2.01 INSULATION A. Fibrous Glass (Mineral Fiber) Insulation: Composed principally of fibers manufactured from rock, slag, or glass, with or without binders, and asbestos free. 1. Preformed Pipe Insulation: Minimum density 3 pcf; ASTM C 547: a. Class 1 (Suitable for Temperatures Up to 450 degrees F): K of 0.26 at 75 degrees F. GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 2 INSULATION b. Class 2 (Suitable for Temperatures 451 to 650 degrees F): K of 0.46 at 300 degrees F. c. Class 3 (Suitable for Temperatures 651 to 1200 degrees F): K of 0.56 at 300 degrees F. 2. Premolded Fitting Insulation: Minimum density 4.0 pcf, K of 0.26 at 75 degrees F; ASTM C 547, Class 1. 3. Insulation Inserts for PVC Fitting Jackets: Minimum density 1.5 pcf, K of 0.28 at 75 degrees F; ASTM C 553, Type III. a. Suitable for temperatures up to 450 degrees F. 4. Block or Board Insulation: Minimum density 3.0 pcf and 6.0 pcf as specified; ASTM C 612: a. Type IA or IB (Suitable for Temperatures Up to 450 degrees F): K of 0.26 at 75 degrees F. b. Type II (Suitable for Temperatures 451 to 850 degrees F): K of 0.44 at 300 degrees F. c. Type III (Suitable for Temperatures 851 to 1000 degrees F): K of 0.44 at 300 degrees F. d. Type IV (Suitable for Temperatures 1001 to 1200 degrees F): K of 0.37 at 300 degrees F. e. Type V (Suitable for Temperatures 1201 to 1800 degrees F): K of 0.42 at 300 degrees F. 5. Blanket Insulation: a. For Ductwork (Suitable for Temperatures Up to 450 Degrees F): Minimum density 1.0 pcf, K of 0.31 at 75 degrees F; ASTM C 553, Type II. b. For Breeching (Suitable for Temperatures up to 1200 degrees F): Minimum density 8 pcf, K of 0.55 at 400 degrees F, metal mesh faced one side; ASTM C 553, Type VII. B. Flexible Elastomeric Foam Insulation: 1. FM tested and approved, meeting the following: a. Maximum Water Vapor Transmission: 0.10 perm - inch based on ASTM E 96, Procedure A. b. K of 0.27 at 75 degrees F based on ASTM C 518 or C 177. c. Fire Spread/Smoke Developed Rating: 25/50 or less based on ASTM E 84. 2. Pipe Insulation: ASTM C 534, Type I. 3. Polyethylene and polyolefin insulation is not acceptable. C. High Density Jacketed Insulation Inserts for Hangers and Supports: 1. For Use with Fibrous Glass Insulation: a. Cold Service Piping: 1) Polyurethane Foam: Minimum density 4 pcf, K of 0.13 at 75 degrees F, minimum compressive strength of 125 psi. b. Hot Service Piping: 1) Calcium Silicate: Minimum density 15 pcf, K of 0.50 at 300 degrees F; ASTM C 533. 2) Perlite: Minimum density 12 pcf, K of 0.60 at 300 degrees F; ASTM C 610. GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 3 INSULATION c. Ductwork: Fibrous glass board, minimum density 6 pcf, K of 0.26 at 75 degrees F, conforming to ASTM C 612, Type IA or IB. 2. For Use with Flexible Elastomeric Foam Insulation: a. Ductwork and Piping: Hardwood dowels and blocks, length or thickness equal to insulation thickness, other dimensions as specified or required. D. Cements: 1. Fibrous Glass Thermal Insulating Cement: Asbestos free; ASTM C 195. 2. Fibrous Glass Hydraulic Setting Thermal Insulating and Finishing Cement: ASTM C 449/C 449M. 2.02 JACKETS A. Laminated Vapor Barrier Jackets for Piping and Ductwork: Factory applied by insulation manufacturer, conforming to ASTM C 1136, Types I and II. 1. Type I: Reinforced white kraft and aluminum foil laminate with kraft facing out. a. Pipe Jackets: Furnished with integral 1-1/2 inch self sealing longitudinal lap, and separate 3 inch wide adhesive backed butt strips. 2. Type II: Reinforced aluminum foil and kraft laminate with foil facing out. 3. Laminated vapor barrier jackets are not required for flexible elastomeric foam insulation. B. Canvas Jackets: Cotton duck, fire retardant, complying with NFPA 701, 4 oz or 6 oz per sq yd as specified. C. Premolded PVC Fitting Jackets: 1. Constructed of high impact, UV resistant PVC. a. ASTM D 1784, Class 14253-C. b. Working Temperature: 0-150 degrees F. D. Metal Jacketing: 1. Aluminum: ASTM B 209, Alloys 1100, 30003, 3105 or 5005, Temper H14, 0.016 inch thick. a. Factory Pre-formed Sectional Pipe Jacketing: 1) Smooth outer finish with integral bonded laminated polyethylene film - kraft paper moisture barrier underside. 2) Pittsburg or modified Pittsburg longitudinal lock seams. 3) 2 inch overlapping circumferential joints with integral locking clips, or butt joints sealed with 2 inch wide mastic backed aluminum snap bands. 2.03 ADHESIVES, MASTICS, AND SEALERS A. Lagging Adhesive (Canvas Jackets): Childers’ CP-50AMV1, Epolux’s Cadalag 336, Foster’s 30-36. GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 4 INSULATION B. Vapor Lap Seal Adhesive (Fibrous Glass Insulation): Childers’ CP-82, Epolux’s Cadoprene 400, Foster’s 85-60 or 85-20. C. Vapor Barrier Mastic (Fibrous Glass Insulation): Permeance shall be .03 perms or less at 45 mils dry per ASTM E 96. Childers’ CP-34, Epolux’s Cadalar 670, Foster’s 30-65 . D. Adhesive (Fiberglass duct liner): Childers’ Chil Quik CP-127, Foster Vapor Fas 85-60. Must comply with ASTM C 916, Type II E. Weather Barrier Breather Mastic (Reinforcing Membrane): Childers’ VI-CRYL CP-10/11, Foster’s Weatherite 46-50. F. Reinforcing Membrane: Childers’ Chil Glas #10, Foster Mast a Fab, Pittsburgh Corning PC 79 G. Adhesive (Flexible Elastomeric Foam): Armstrong’s 520, Childers’ CP-82, Epolux’s Cadoprene 488, Foster’s 85-75. 5 gallon cans only. 2.04 MISCELLANEOUS MATERIALS A. Insulation Fasteners for Ductwork and Equipment: 1. Acceptable Manufacturers: Duro-Dyne Corp.; Erico Fastening Systems, Inc. 2. Type: Weld pins, complete with self-locking insulation retaining washers. B. Pressure Sensitive Tape for Sealing Laminated Jackets: 1. Acceptable Manufacturers: Alpha Associates, Ideal Tape, Morgan Adhesive. 2. Type: Same construction as jacket. C. Wire, Bands, and Wire Mesh: 1. Binding and Lacing Wire: Nickel copper alloy or copper clad steel, gage as specified. 2. Bands: Galvanized steel, 1/2 inch wide x 0.015 inch thick, with 0.032 inch thick galvanized wing seals. 3. Wire Mesh: Woven 20 gage steel wire with 1 inch hexagonal openings, galvanized after weaving. D. Metal Corner Angles: Galvanized steel, 2 x 2 inch 28 gage. E. Reinforcing Membrane: Glass or Polyester, 10 x 10 mesh. Alpha Associates Style 59, Childer’s Chil-Glas, Foster’s MAST-A-FAB. PART 3 EXECUTION 3.01 PREPARATION GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 5 INSULATION A. Perform the following before starting insulation Work: 1. Install hangers, supports and appurtenances in their permanent locations. 2. Complete testing of piping, ductwork, and equipment. 3. Clean and dry surfaces to be insulated. 3.02 INSTALLATION, GENERAL A. Install the Work of this Section in accordance with the manufacturer’s printed installation instructions unless otherwise specified. B. Piping Insulation: Provide continuous insulation and jacketing when passing thru interior wall, floor, and ceiling construction. 1. At Through Penetration Firestops: Coordinate insulation densities with the requirements of approved firestop system being installed. See Section 078400. a. Insulation densities required by approved firestop system may vary with the densities specified in this Section. When this occurs use the higher density insulation. C. Do not intermix different insulation materials on individual runs of piping. 3.03 INSTALLATION AT HANGERS AND SUPPORTS A. Reset and realign hangers and supports if they are displaced while installing insulation. B. Install high density jacketed insulation inserts at hangers and supports for insulated ductwork, piping, and equipment. C. Insulation Inserts For Use with Fibrous Glass Insulation: 1. Ductwork: Install 6 pcf density jacketed fibrous glass board, same thickness as adjoining insulation, sized for full bearing on supporting trapeze member, and as required to enable abutting to adjoining insulation and overlapping of jacketing. 2. Piping: Where clevis hangers are used, install insulation shields and high density jacketed insulation inserts between shield and pipe. a. Where insulation is subject to compression at points over 180 degrees apart, e.g. riser clamps, U-bolts, trapezes, etc.; fully encircle pipe with 2 protection shields and 2 high density jacketed fibrous glass insulation inserts within supporting members. 1) Exception: Locations where pipe covering protection saddles are specified for hot service piping, 6 inch and larger. D. Insulation Inserts For Use with Flexible Elastomeric Foam Insulation: 1. Piping: a. Where clevis hangers are used, install insulation shields with hardwood filler pieces, same thickness as adjoining insulation, inserted in undersized die cut or slotted holes in insulation at support points. GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 6 INSULATION b. Contour hardwood blocks to match the curvature of pipe, and shield. c. Coat dowels and blocks with insulation adhesive, and insert while still wet. d. Vapor seal outer surfaces of dowels and blocks with adhesive after insertion. PIPE/TUBING SIZE FILLER PIECES POSITION Thru 1-1/2” 2 dowel plugs 6 o’clock; in tandem 2” thru 4” 1 block 2 dowel plugs 6 o’clock, and 4 & 8 o’clock respectively 6” thru 8” 2 blocks 4 dowel plugs 6 o’clock; in tandem and 4 & 8 o’clock; in tandem 3.04 INSTALLATION OF FIBROUS GLASS GLYCOL/WATER INSULATION A. Install insulation materials with field or factory applied ASTM C 1136 Type I laminated vapor barrier jacket unless otherwise specified. B. Canvas Jackets on Piping, Fittings, Valves, Flanges, Unions, and Irregular Surfaces: 1. For Piping 2 inch Size and Smaller: 4 oz per sq yd unless otherwise specified. 2. For Piping Over 2 inch Size: 6 oz per sq yd unless otherwise specified. C. Piping: 1. Butt insulation joints together, continuously seal minimum 1-1/2 inch wide self sealing longitudinal jacket laps and 3 inch wide adhesive backed butt strips. a. Substitution: 3 inch wide pressure sensitive sealing tape, of same material as the jacket, may be used in lieu of butt strips. 2. Fill voids in insulation at hanger with insulating cement. 3. Exceptions: a. Piping in Accessible Shafts, Attic Spaces, Crawl Spaces, Unfinished Spaces and Concealed Piping: Butt insulation joints together and secure minimum 1-1/2 inch wide longitudinal jacket laps and 3 inch wide butt strips of same material as jacket, with outward clinching staples on maximum 4 inch centers. Fill voids in insulation at hangers with insulating cement. b. Piping in Tunnels: Butt insulation joints together and secure minimum 1-1/2 inch wide longitudinal jacket laps and 3 inch wide butt strips, of same material as jacket, with outward clinching staples on maximum 4 inch centers and 16 gage wires a minimum of 4 loops per section. Fill voids in insulation with insulating cement. D. Fittings, Valves, Flanges and Irregular Surfaces: 1. Insulate with mitre cut or premolded fitting insulation of same material and thickness as insulation. GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 7 INSULATION 2. Secure in place with 16 gage wire, with ends twisted and turned down into insulation. 3. Butt fitting, valve and flange insulation against pipe insulation, and fill voids with insulating cement. 4. Insulate valves up to and including bonnets, without interfering with packing nuts. 5. Apply leveling coat of insulating cement to smooth out insulation and cover wiring. 6. After insulating cement has dried, coat insulated surface with lagging adhesive, and apply 4 oz or 6 oz canvas jacket as required by pipe size. a. Lap canvas jacket on itself and adjoining pipe insulation at least 2 inches. b. Size entire canvas jacket with lagging adhesive. 7. Exceptions: a. In Types E, F and G Service Piping Systems: Valves, fittings and flanges may be insulated with premolded PVC fitting jackets, with fibrous glass insulation inserts. 1) Additional insulation inserts are required for services with operating temperatures over 250 degrees F or where insulation thickness exceeds 1-1/2 inches. The surface temperature of PVC fitting jacket must not exceed 150 degrees F. b. In Types E, F, and G Service Piping Systems: Insulate fittings, valves, and irregular surfaces 3 inch size and smaller with insulating cement covered with 4 oz or 6 oz canvas jacket as required by pipe size. 1) Terminate pipe insulation adjacent to flanges and unions with insulating cement trowelled down to pipe on a bevel. c. In Type H Service Piping System: Insulate fittings, valves, flanges, unions, and irregular surfaces 3 inch size and smaller with insulating cement covered with 4 oz or 6 oz canvas jacket as required by pipe size. d. Fittings, Valves, Flanges, and Irregular Surfaces In Concealed Piping, Piping in Accessible Shafts, Attic Spaces, Crawl Spaces, Unfinished Rooms, Unfinished Spaces, and Tunnels: Sizing of canvas surface is not required. E. Equipment: 1. Secure fibrous glass block or board insulation in place with wire or galvanized steel bands. a. Small Areas: Secure insulation with 16 gage wire on maximum 6 inch centers. b. Large Areas: Secure insulation with 14 gage wire or .015 inch thick by 1/2 inch wide galvanized steel bands on maximum 10 inch centers. Stagger insulation joints. c. Irregular Surfaces: Where application of block or board insulation is not practical, insulate with insulating cement built- up to same thickness as adjoining insulation. 2. Fill joints, voids and irregular surfaces with insulating cement, to a uniform thickness. GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 8 INSULATION 3. Stretch wire mesh over entire insulated surface and secure to anchors, with wire edges laced together. 4. Apply finishing cement, total of 1/2 inch thick, in 1/4 inch thick coats. a. Trowel second coat to a smooth hard finish. 5. Neatly bevel insulation around manholes, handholes, cleanouts, ASME stamp, boiler manufacturer’s name and catalog number. 3.05 INSTALLATION OF FLEXIBLE ELASTOMERIC FOAM INSULATION A. Where possible, slip insulation over the pipe, and seal butt joints with adhesive. 1. Where the slip-on technique is not possible, slit the insulation and install. 2. Re-seal with adhesive, making sure the mating surfaces are completely joined. B. Insulate fittings and valves with miter cut sections. Use templates provided by the manufacturer, and assemble the cut sections in accordance with the manufacturer’s printed instructions. 1. Insulate threaded fittings and valves with sleeved fitting covers. Over lap and seal the covers to the adjoining pipe insulation with adhesive. C. Carefully mate and seal with adhesive all contact surfaces to maintain the integrity of the vapor barrier of the system. 3.06 INSTALLATION OF DUCTWORK INSULATION A. Fibrous Glass Board Insulation Application: 1. Secure insulation to ductwork, with duct insulation fasteners spaced 3 inch in from all corners of ducts, with intermediate fasteners on maximum 16 inch centers in all directions. 2. Butt edges of insulation and fill voids with similar insulation. 3. Seal minimum 1-1/2 inch wide longitudinal jacket laps continuously with vapor seal adhesive. 4. Lap circumferential joints with 4 inch wide jacket material and seal laps continuously with vapor barrier lap adhesive, or seal continuously with minimum 3 inch wide pressure sensitive sealing tape, of same material as jacket. 5. Install metal corner angles over the jacketed insulated corners. Seal exposed ends of insulation with vapor barrier mastic. 6. Vapor seal breaks in vapor barrier jacketing, exposed surfaces of duct insulation fasteners and metal corner angles, with pressure sensitive sealing tape of same material as jacket or coat with vapor barrier mastic. 7. Field apply 6 oz canvas jacket over the vapor barrier jacketed insulation where indicated on Ductwork Service Insulation Material Schedule in Part 3 of this Section. a. Apply canvas jacket with lagging adhesive, with a 2 inch lap on circumferential and longitudinal seams. b. Outward clinching staples may be utilized for additional securement of canvas to bottom of ducts in excess of 48 inch in width. c. Apply heavy coat of lagging adhesive to entire canvas surface. GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 9 INSULATION 8. Place trapeze hangers, fabricated of steel rods and structural steel channels or angles, outside of jacketed insulated ducts. a. Install high density insulation inserts, of thickness equal to insulation, minimum of 4 inch in width by the bottom dimension of the duct, at points of support. b. Continuously jacket insulated ducts and filler pieces through supports. B. Fibrous Glass Blanket Insulation Application: 1. Cut insulation to stretch-out dimensions as recommended by insulation manufacturer. 2. Remove 2 inch wide strip of insulation material from the jacketing on the longitudinal and circumferential joint edges to form an overlapping staple/tape flap. 3. Install insulation with jacketing outside so staple/tape flap overlaps insulation and jacketing on other end. 4. Butt ends of insulation tightly together. a. Rectangular and Square Ductwork: Do not compress insulation at duct corners. 5. Staple longitudinal and circumferential joints with outward clinching staples minimum 6 inches on center, and seal with pressure sensitive sealing tape. 6. Cut off pretruding ends of fasteners flush with insulation surface and seal with pressure sensitive sealing tape. 7. Install duct insulation fasteners on bottom side of horizontal duct runs, when bottom dimension of the duct is in excess of 24 inches in width. 8. Install duct insulation fasteners on sides of duct risers having a dimension over 24 inches in size. 9. Seal tears, punctures, and penetrations of insulation jacketing with sealing tape and coat with vapor barrier mastic. 10. Secure insulation to ductwork with fasteners spaced in accordance with the following schedule: DUCT DIMENSION SPACING OF FASTENERS (MINIMUM) Up to 24 inches None required. 24 inches to 48 inches Horizontal Runs: 2 rows - 16 inches on center. Risers: 16 inches on center, all directions. 49 inches to 60 inches Horizontal Runs: 3 rows - 16 inches on center. Risers: 16 inches on center, all directions. 61 inches and over Horizontal Runs: 16 inches on center, all directions. Risers: 16 inches on center, all directions. C. Bench Insulated Ductwork: 1. Insulate ducts prior to erection in place when ducts are required to be installed proximate to walls, ceilings, equipment or other ductwork, which will not permit adequate space for installation of insulation after ducts are installed. 3.07 FIELD QUALITY CONTROL GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 10 INSULATION A. Field Samples: The Owner’s Representative, may at their discretion, take field samples of installed insulation for the purpose of checking materials and application. Reinsulate sample cut areas. 3.08 PIPING AND EQUIPMENT INSULATION SCHEDULE A. Insulate all cold service and hot service piping, equipment, and appurtenances except where otherwise specified. B. Schedule of Items Not to be Insulated: 1. Do not insulate items installed under other Contracts. 2. Do not insulate mechanical equipment with a factory applied insulation. 3.09 COLD SERVICE INSULATION MATERIAL SCHEDULE TYPE SERVICE AND TEMPERATURES INSULATION MATERIAL PIPE SIZES (INCHES) MINIMUM (NOMINAL) INSULATION THICKNESS (INCHES) D Cooling Coil Condensate Fibrous Glass All Sizes 1/2 A & B Refrigerants, Brine, and Fluids below 40 F. Flex. Elastomeric Foam 1& less 1 A. NOTES: 1. Provide exterior rated jacket (Aluminum Sheet Metal) on exterior installed refrigerant piping. 3.10 WATER AND GLYCOL MIXTURE INSULATION MATERIAL SCHEDULE SERVICE AND TEMPERATURES INSULATION MATERIAL PIPE SIZES (INCHES) MINIMUM (NOMINAL) INSULATION THICKNESS (INCHES) E Water and Glycol Mixture. Fibrous Glass 2 and Less 1 A. NOTES: 1. Provide continuous vapor barrier on piping, fittings, valves, and accessories from equipment connection to under slab penetration. 3.11 DUCTWORK SERVICE INSULATION SCHEDULE A. Insulate all ductwork service except where otherwise specified. B. Do not insulate the following ductwork service items: 1. Exhaust ductwork, unless within 10 feet of Exterior Wall. GLENS FALLS NATIONAL BANK QUEENSBURY BRANCH Oldenquist Design 230719 - 11 INSULATION 2. Return fans. 3. Exhaust fans. 4. Flexible ductwork connections. 3.12 DUCTWORK SERVICE INSULATION MATERIAL SCHEDULE LOCATION SERVICE INSUL. MATERIAL MINIMUM INSUL. THICKNESS JACKET TYPE MINIMUM REQUIRED R VALUE Within Mechanical Equipment Room Supply and Return Ductwork Fibrous Glass Board 2 Canvas Type R-6 Concealed within building envelope Supply, Return, Outside Air, and Exhaust. (Exhaust only within 10 feet of exterior wall) Fibrous Glass Blanket 2 I or II R-6 Heat Pump Supply Connection 10’-0” of supply ductwork after discharge connection from heat pump (in addition to the exterior ductwork insulation) Flex. Elastomeric Foam Duct Liner 1 - R-4 Heat Pump Return Plenum Connection Plenum return ductwork Flex. Elastomeric Foam Duct Liner 1 - R-4 Transfer Duct Transfer Duct Flex. Elastomeric Foam Duct Liner 1 - R-4 Insulated Return Grille Boot Plenum return ductwork Flex. Elastomeric Foam Duct Liner 1 - R-4 A. NOTES: 1. Equipment: Insulate air handling equipment, not furnished with factory applied insulated jacket or internal insulation, with minimum 1-1/2 inch thick fibrous glass board with an ASTM C 1136 Type I jacket, installed and finished as specified for exposed ductwork in finished spaces. 2. Ductwork dimensions listed on the drawings indicate internally clear dimensions. END OF SECTION B-SK-0122-03 02-15-24 AS NOTED TYPICAL PAVING DETAILS GLENS FALLS NATIONAL BANK QUEENSBURY NYSDOT ITEM 404.098201 TOP COURSE NYSDOT ITEM 404.098201 BINDER COURSE NYS DOT ITEM 304-2.03 TYPE 2 GRAVEL SUBBASE, COMPACTED TO 95% MODIFIED PROCTOR DENSITY COMPACTED SUBGRADE MIRAFI 500X WOVEN STABILIZATION FABRIC 12 " 2- 1 / 2 " 1- 1 / 2 " TYP ASPHALT PAVEMENT DETAIL 3/4" = 1'-0" TYP. NYSDOT ITEM 404.098201 TOP COURSE TYPICAL 12" TYPE 2 COMPACTED SUBBASE TYP. NYSDOT ITEM 404.098201 BINDER COURSE COMPACTED OR EXIST. SUBGRADE REMOVE EXISTING TEMPORARY GRAVEL BASE, APPROX. 4" EXCAVATE EXISTING BACKFILL DOWN TO DEPTH OF COMPACTED SUBBASE @ ADJACENT NEW PAVING TYPICAL 12" TYPE 2 COMPACTED SUBBASE @ EXISTING PARKING AREA PARKING LOT EXTENSION EXISTING PARKING LOT TRANSITION TO NEW PAVING @ PARKING LOT 3/4" = 1'-0" 1'-0"2'-0" (±4") B-SK-0222-03 02-15-24 AS NOTED TYPICAL PAVING DETAILS GLENS FALLS NATIONAL BANK QUEENSBURY TRANSITION BETWEEN EXISTING PAVING AND TRENCH INFILL @ DRIVE-THROUGH 3/4" = 1'-0" NEW ASPHALT CONCRETE TOP COURSE, SEE TYP. PAVEMENT DETAIL MILL EXIST. PAVEMENT TO 1-1/2" DEPTH NEW ASPHALT BINDER COURSE, SEE TYP. ASPHALT DETAIL NEW SUBBASE, SEE ASPHALT PAVING DETAIL COMPACTED SUBGRADE OR EXIST. SUBGRADE TACK COAT ALL VERT. & HORIZ. SURFACES IN CONTACT W/NEW PAVEMENT IN ACCORDANCE W/ NYSDOT STD. SPEC. SECTION 407 SAWCUT EXIST. PAVEMENT EXISTING SUBBASE EXIST. PAVEMENT