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Addendum 1-TEXTADDENDUM NO. 1 Page 1 of 8 Date: April 25, 2012 Dewy House Renovations Smith College, Northampton, MA ADDENDUM NUMBER ONE (1) Kraus-Fitch Architects (413) 549-5799 CHANGES TO SPECIFICATIONS: AD1-1 SECTION 02050 DEMOLITION 1. 1.01 WORK INCLUDES: a. Item A.7, add to end “MEP contractors to cut and make safe all items to be removed. Demo contractor to remove. Electrical lamps and ballasts shall be set aside for recycling. b. Item A, add “13. remove fiberglass batts from attic floor (front wing) and third floor ceiling (back wing). c. Item B.1., add to end “Any new discoveries of asbestos within hidden locations should be immediately brought to the attention of the Owner. Owner shall abate expediently.” 2. 1.02 RELATED WORK: add “J. Section 06100 Rough Carpentry – cutting for framing for lift and dormer by section 06100. Demo contractor removes materials. 3. 1.06 SAFETY AND PROTECTION: Cover all sprinkler heads scheduled to remain. AD1-2 SECTION 07180 VAPOR AND AIR BARRIERS: 1. 1.04 QUALITY ASSURANCE: Item A regarding “Drainage Plane”, add the following: “Contractor shall provide mock-up of house wrap installation around a sample window and schedule an on-site review with architect and energy consultant prior to beginning of work.” Refer to SK-5 through SK-10 for house wrap details. AD1-3 SECTION 07200 BUILDING INSULATION 1. 1.01 WORK INCLUDES: Add “G. Window Pockets” 2. 1.02 RELATED SECTIONS: Add “I. Section 08600 Wood Windows” 3. 3.01 PREPARATION AND APPLICATION BY LOCATION: add “Window Pockets: Insulate weight pockets with either dense-packed cellulose or non- expanding foam depending on constructability and depth of cavity.” AD1-4 SECTION 08600 WOOD WINDOWS 1. 1.02 RELATED WORK: Add “F. Section 07200 Insulation – for weight pockets. ADDENDUM NO. 1 Page 2 of 8 2. 2.01 WOOD WINDOW UNITS: add “D. SDL bars (simulated divided lites) shall be 5/8”. 3. 3.02 PREPARATION: Change item D to read “Coordinate with Section 07200 for the insulation of the weight pockets”. AD1-5 SECTION 08700 HARDWARE 1. 2.02 HARDWARE: a. change B. Locksets to read as follows: B. Locksets at Interior Doors: ADA hardware, Smith standard: Corbin Russwin MRML2000 Series, (no substitutions allowed). Mortise trim NSM (full plate). Cylindrical should not be used (except where specifically noted. Unit lock UT5200 series. 1. Finish: US10 dull bronze finish 2. Finish at bathroom hardware: stainless steel (or brass), privacy set B’. Lockset at Exterior Doors (front and side entry): Corbin Russwin MRML2000 Series, (no substitutions allowed). Provide hold-open and keyed switch for lock body for the automatic door operated door (1 at ramp door only) 1. Finish: US10 dull bronze finish b. Add “K. Weather-stripping: a) Sill: Adjustable brush, and b) Head and Jambs: Pemco 45 degree aluminum door sweep, painted white finish 45041PWNB. 2. 3.03 HARDWARE SCHEDULE: clarification on Hardware set # 5. Panic Devise is NOT required, power supply. Change Hardware set # 5 as follows: HW Set # 5: Existing exterior side door at top of Ramp: (1) LOCKSET MRML2057 NSM 612 CORBIN RUSSWIN (1) CYL MORT CYLINDER TO SUIT KEYSWITCH CORBIN RUSSWIN (1) ELECT STRIKE 1006KM 612 HES (1) SMART PAK 2005M3 HES (1) PWR SUPPLY BPS24-1 SECURITRON (1) AUTO OP GT710 DARK BRONZE GYROTECH (1) PUSH PAD 59H (INTERIOR) SEDCO (1) PUSH PAD 830A59JH (EXTERIOR) PUSHPAD/KEYSWITCH SEDCO (2) BACK BOX 1015 SEDCO (1) W/STRIP 45041DP PEMKO (1) SWEEP 45061DP PEMKO AD1-6 SECTION 09900 PAINTING 1. 1.01 WORK INCLUDED: add “B. Stripping of all wall covering in areas of painting, and also including areas to receive new wall paper.” 2. 3.02 PREPARATION: add “I. Strip wall paper, Include minor prep (nail holes, etc.). More substantial repair of plaster by General Contractor allowance. AD1-7 SECTION 09950 VINYL WALL COVERING ADDENDUM NO. 1 Page 3 of 8 1. 1.01 WORK INCLUDED: delete item A. referring to stripping of paper. See related Section 09900 for this work. 2. 3.05 SCHEDULE: Carry pricing for Option 1 in both the Offices and Corridors. Provide Alternative Price for Option 2 in both cases. If there is a significant difference in the price between Options 1 and 2 the Architect/Owner will decide between the two and adjust contract accordingly. AD1-8 SECTION 16000 ELECTRICAL 1. Section 2.12 Telecommunications. Change subsection 2.12(B) to read: “B. Existing head end equipment, including fiber optic data and telephone equipment mounted on existing backboard in basement shall be dismounted from wall during demolition period and reinstalled.” 2. Section 2.12 Telecommunications. Change subsection 2.12(S)(1) to read: “1. The contractor shall remove existing telecommunication outlets from throughout the entire building.” 3. Section 2.13 Fire Alarm System. Change Subsection 2.13(A)(7) to read: “7. All panels and peripheral devices shall be manufactured by Simplex shall display the manufacturer's name on each component. Edwards System Technology equipment shall also be considered.” 4. Section 2.13 Fire Alarm System. Change Subsection 2.13(B)(3) to read: “3. Type MC cable listed for use in fire alarm applications shall be used throughout the building. At the contractors option Conduit and thermoplastic jacketed fire alarm cable may be exposed in the basement and attic levels, or run concealed in occupied & common areas.” 5. Section 2.13 Fire Alarm System. Change Subsection 2.13(H) to read: “H. Voice distribution home runs shall originate at new 110 blocks located at the basement distribution point. 6. Section 2.13 Fire Alarm System. Add Subsection 2.13(I)(4) to read: “4. Provide patch panels as required for termination of all data wiring at basement demarcation point. Provide equipment manufactured be by Ortronics as listed below, or approved equal. a) Wall mounted data patch panels for Cat 6 cables shall be Rack Mount Clarity 6- 24 port patch panel #OR-PSD66U24HM, 48 port patch panel #OR- PSD66U48HM and 96 port patch panel #OR-PSD66U96HM. b) Rack Mount Data panels mounted at Telecom Backboard for Cat 6 cables shall be Rack Mount Clarity 6- 24 port patch panel #OR-PSD66U24, 48 port patch panel #OR-PSD66U48 and/or 96 port patch panel #OR-PSD66U96, as required for termination of all telephone & data wiring. CHANGES TO DRAWINGS: AD1-9 DRAWING A-0.0 COVER SHEET: 1. Delete reference to Drawing A-7.0 Schedules. Schedules handled by separate PDF files added to Bid Set. AD1-10 DRAWINGS D-1.0, D-1.1, and D-1.2 DEMOLITION PLALNS ADDENDUM NO. 1 Page 4 of 8 1. Refer to attached drawings SK-1, SK-2, SK-3 and SK-4 for relocation of new structural post, adjusting the location of the demolition accordingly. 2. 1/ D-1.0: see SK-12 for slab areas to be cut for under slab plumbing and sewer ejector, and reduction in ceiling demo over the crawl space. 3. 1/D1.1: see SK-13 for ceiling area to be cut to access wall/ceiling intersection for insulation. AD1-11 DRAWING A1.0 BASEMENT PLAN 1. 1/A1.0: Add reference to sewer ejection tank per Drawing P2.0 and misc. new tanks, new equipment and location of existing steam lines to remain in Room B04 per Drawing H2.0. 2. Clarification: Drawings call for new poly vapor barrier over the dirt floor of the crawl space; there is no need to pour a slab in this area. AD1-12 DRAWINGS A1.0, A-1.1, A-1.2 and A-3.0 FLOOR PLANS 1. Revise new post location from intersection of grid lines 4C to 4C’. Refer to attached drawings SK-1, SK-2, SK-3 and SK-4. adjust all related plans AD1-13 DRAWINGS A1.5, A-1.6, A-1.7 REFLECTED CEILING PLANS 1. Refer to attached drawings SK-1, SK-2, SK-3 and SK-4. for relocation of new structural post, adjusting the location of the ceiling patching accordingly. 2. 1/A-1.5 adjust layout of existing steam lines to remain per drawing H2.0 3. 1/A-1.6 see SK-11 and SKE-1 for revised lighting. 4. 1/A-1.7 see SK-14 and SKE-2 for revised lighting. AD1-14 DRAWING A-2.1 ELEVATIONS 1. 1/A-2.1 NORTHWEST ELEVATION: add reference to water gongs (2) and inspectors test station per drawings FP2.0 and FP2.1. AD1-15 DRAWINGS A-5.0 and A5.1 DETAILS 1. Modify all 1 ½” scale drawings to include notation for house wrap, specifically where it intersects with existing trim conditions. 2. SK-5: modifies detail 1/A-5.0, illustrates house wrap at coining and window jambs, similar at all vertical trim. 3. SK-6: modifies 2/A5.0 EAVE DETAIL, illustrates house wrap termination under existing frieze boards. 4. SK-7: modifies 3/A-5.0 WINDOW SILL DETAIL, illustrates house wrap termination under existing window sills. Similar at all window sills, including detail 4/A-5.1 5. SK-8: modifies 5/A-5.0, illustrates house wrap lapping new flashing at water table. Similar at all horizontal trim, including d2/A-5.1. 6. SK-9: modifies 7/A5.0 WINDOW HEAD DETAIL, illustrates house wrap lapping new cap flashing, typical all window heads details including 2/A-5.1. 7. SK-10: adds detail 9/A-5.1 WINDOW ELEVATION DETAIL, illustrating house wrap at all window trims conditions. ADDENDUM NO. 1 Page 5 of 8 AD1-16 DRAWINGS A-7.0 1. Delete Drawing A-7.0 Schedules. Schedules handled by separate PDF files added to Bid Set. AD1-17 DRAWING S5 ROOF TRUSS REINFORCEMENT DETAILS 1. Add detail 5/S5 as illustrated on SK-S-1 for the relocated truss shoring post at line 4-C’. AD1-18 ALL MECHANICAL PLANS (SECOND FLOOR) 1. Indicate the glass partition at the top of the curved stair. AD1-19 Drawing FPD 1.0 1. Third Floor Plan-in the original section of the building ADD the following note: Disconnect and remove all existing sprinkler heads and piping in this area to allow the installation of the new structural beams. Refer to the new work plan for additional work in this area AD1-20 Drawing FP 2.2 1. ADD the following note: Furnish and install a concealed dry pendent sprinkler head and piping at the top of the shaft of the new Elevator. Run all piping concealed. AD1-21 Drawing FP3.0 1. Dry pipe alarm valve detail, Change the note at the water motor to read “New” water motor gong - Remove existing. AD1-22 Drawing P2.0 1. Change Note #9 to read as follows: “ 2” S up to Water Cooler & Kitchenette Sink.” AD1-23 Drawing P2.1 1. Change Note #5 to read as follows: “ 2” S & ½” H&CW dn; 2” V rise – Final connect 1 ½” S & ½” CW to water cooler & 1 ½” S & ½” H&CW to Kitchenette sink.” 2. ADD Kitchenette Sink labeled P-5 in counter adjacent to the water cooler in Copy 103; Refer to Architectural plans for location. AD1-24 Drawing P2.2 1. REFER to Architectural plans for exact location of Mop Sink P-3 on the 2nd Floor in Corridor 200C1.” AD1-25 Drawing H2.0 1. Refer to attached Drawing SK-H-1.0 for additional work to the water heater flue. 2. ADD the following note to the new flash tank, ”New Flash tank to be equal to Wendland Manufacturing Co. Mod. FT-15, 12”x30” schedule 80 welded steel tank with 1” inlet, 2” outlet, and 1” drain ADDENDUM NO. 1 Page 6 of 8 AD1-26 Drawing H2.2 1. ADD the following note to the new Elevator Vent, “Furnish and install a 36”x12” Top exhaust register (TER) to the new 36”x12” Vent Duct. AD1-27 Drawing H3 1. Pump schedule - Change pumps to the following: a. HCWP-1 and 2 shall be equal to Grundfos Model TP-80-240, 3H.P. 208V 30 60gpm at 60 ft HD. b. HWP 1 and 2 shall be equal to Grundfos Model UP-26-99, 1/6H.P. 208V 30 12gpm at 24 ft. HD. AD1-28 Drawing E1.0 1. On the Basement Demo Electric Plan, add note to telephone/data board area to read: “Clearly mark along the entire length, incoming fiber service & service entry conductors to remain.” 2. On the Basement Demo Electric Plan, add note “RE” to two panels located adjacent the crawl space (column line A-4). AD1-29 Drawing E1.1 3. In Conference Room 105 & Seminar Room 104 Change the existing lighting layout. Refer to attached Drawing SKE-1 for details. 4. At exterior Ramp Porch 100P2, add note to existing lighting fixtures to read: “Existing branch circuit wiring shall remain to support existing lighting fixtures. Recircuit branch circuit to photocell controller and wire for dusk to dawn operation” 5. In Office 107, Change ceiling occupancy sensor location to the intersection of the “P1” fixture and the (2) “D2” fixtures nearest the Foyer. AD1-30 Drawing E1.2 1. In Hall 200, Change the layout of fixtures & controls in and nearby office 205 renovation work. Refer to attached Drawing SKE-2 for details. AD1-31 Drawing E2.1 1. In Handicap Lift shaft, add a TELEPHONE/DATA outlet. Add note to read: “Coordinate power and data locations with lift installer” 2. In wall located between basement stair and corridor 100. Add (2) 3” conduit risers in wall, running vertically from basement though floor above. Add note to read: “provide (2) 3”conduit pathways from basement ceiling to attic to facilitate installation of telephone & data systems” 3. Add general note to read: “each data outlet location shall feature a 4”square deep box with single gang plaster ring, and two cat. 6 cables run to the basement demarcation point.” 4. In the Lift Lobby, Change location of home run serving local and corridor receptacles from the adjoining office to local receptacle. Delete wire to Adjoining office 208 receptacles, these devices shall be supplied from separate home run. ADDENDUM NO. 1 Page 7 of 8 5. In Office 208, located adjacent the lift lobby, Add Receptacles to the wall adjoining Office 207 and the exterior wall centered between the windows. Add 2#12+#12G home run originating at PB2-14 to serve one receptacle. Add branch circuit conductor to feed additional outlets in this office. 6. In Office 208, located adjacent the lift lobby, Add Tele/Data outlet to the exterior wall, locate centered between the windows. Outside office 208, located under the window, adjacent the lift entry door, Change Telephone outlet to a Tele/Data outlet. 7. Add (2)Wireless Access Points. Locate one on column line 1, in copy room 103. The second is located at column line C-4, in room adjoining corridor 100C1. AD1-32 Drawing E2.2 1. In Handicap Lift shaft, Add a TELEPHONE/DATA outlet. Add note to read: “Coordinate power and data locations with lift installer” 2. In wall adjacent room 200ST2. Add (2) 3” conduit risers in wall, running vertically from first floor and into the attic above. Add note to read: “provide (2) 3”conduit pathways from basement ceiling to attic area to facilitate installation of telephone & data systems” 3. In corridor 200C3 Add 3” conduit run from drop ceiling area horizontally to closet of office 215, then up to attic. Add note to read: “provide 3” conduit pathway from drop ceiling to attic area to facilitate installation of telephone & data systems. 4. In New Office 205 (refer to architectural plan) Change location of Strobe device and duplex receptacle, move to wall opposite panelboard P2A. 5. Add general note to read: “each data outlet location shall feature a 4”square deep box with single gang plaster ring, and two cat. 6 cables run though attic to the basement demarcation point.” 6. Add (2) Magnetic Hold Opens, to hallway doors entering to the central stairwell. 7. Add (2)Wireless Access Points. Locate one on column line 1, in hall 200C3. The second is located at column line C, five feet horizontally from panelboard P2A. AD1-33 Drawing E2.3 1. In common corridor outside office 301 Add 3” conduit run from accessible ceiling area, horizontally, to attic area to the right of column line 3. Add note to read: “provide 3” conduit pathway from accessible ceiling area to attic area to facilitate installation of telephone & data systems. 2. Add general note to read: “each data outlet location shall feature a 4”square deep box with single gang plaster ring, and two cat. 6 cables run though attic to the basement demarcation point.” 3. Add general note to read: “penetrations in attic associated with the telephone system shall be arranged such that it does not impose a tripping hazard in treadable areas of the attic” 4. Add Wireless Access Point located at column line 1, in main hallway. ADDENDUM NO. 1 Page 8 of 8 AD1-34 Drawing E2.3 1. On the Lighting Fixture Schedule Change Type “B” fixture to Nulite Model Number: “L2D-2-17T8-UNV-10RS” Lamp “2-17W-T8” Description: “2x2 high efficiency swoop acrylic lensed fixture.” CHANGES TO SCHEDULES: AD1-35 DOOR AND FINISH SCHEDULES, dated April 18th, 2012. 1. Delete “DRAFT NOT FOR CONSTRUCTION”. This is the final Schedule, unless otherwise amended by this and future addenda or revision. 2. Clarification: Doors listed as “EXT’G” are existing doors with work limited to preparation (scrape, sand) and painting, except where noted for new hardware or other items listed in “comments”. 3. Door XA FRONT PORCH-FOYER: For clarification regarding hardware, the existing door is 40 1/2" wide x 86 1/2" high x 2 3/8" thick. 4. Door 100-B BATHROOM-CORRIDOR: change height to 7’-0”. 5. Door 106-A CORRIDOR-SECRETARY: change height to 7’-0” 6. Doors 200B, 200I, 200J, 204A, 205A, 206A, 207A, 208A, 209A, 210A, 211A, 212A, 213A, 214A: change height to 7’-0” AD1-36 FINISH SCHEDULE, dated April 18th, 2012. 1. Delete “DRAFT NOT FOR CONSTRUCTION”. This is the final Schedule, unless otherwise amended by this and future addenda or revision. 2. Room 100-ST2, 200-ST3, and 300-ST-3 FIRE STAIRS, under comments add the following “Include painting of walls, railings, treads, risers, concrete landings. Do NOT include paint of underside of stairs and concrete walls.”