ADDENDUM NO. 4 Oct. 18, 2016 NEW SIMPSONVILLE FIRE STATION NO. 5 SIMPSONVILLE, SOUTH CAROLINA SCNA PROJECT NO. 1512

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1 ADDENDUM NO. 4 Oct. 18, 2016 NEW SIMPSONVILLE FIRE STATION NO. 5 SIMPSONVILLE, SOUTH CAROLINA SCNA PROJECT NO Each Contractor shall be responsible for each item of the Addendum as stated herein and shall coordinate each item with his particular portion of work. Each Contractor shall coordinate with all other Contractors for satisfactory completion of each item of the addendum and the total project. The Prime Contractor shall be responsible for seeing that his subcontractors/material suppliers are properly apprised of the contents of this Clarification. The following clarifications, amendments, additions, deletions, revisions, and/or modification are hereby made a part of the Contract Documents, and change the original documents only in the manner and to the extent stated herein. QUESTIONS: 1. Reference is made in the unit masonry spec page 17 to an application of Air Barriers to the cavity per Air Barrier specifications. Those specs are not included - do we have a fluid applied air barrier in this project and where would it be applied. Does the masonry cavity just get the bituminous dampproofing per Exterior Wall assembly 1 noted on drawing 5.33? Bituminous Dampproofing on CMU Walls & Rigid Insulation on Metal Stud Walls. 2. Does Spec section Sheet Waterproofing apply to this project? No. 3. Is it possible to have all the asphalt surface and binder to be type C mix designs? Type C is designated for the L.D. areas but type B for the heavy duty. Paving contractors are telling me type B is an interstate mix that will look different than the type C.?? Please see sheet C3, we do need both type B & C for STANDARD duty asphalt pavement & HEAVY duty asphalt pavement. SPECIFICATIONS: Electric Four Fold Bay Doors: Add to Specifications, See attached Specs. ATTACHMENTS: Number Of Pages Electric Four Fold Bay Doors 5 END OF ADDENDUM NO. 3 Stewart Cooper Newell Architects #1512 Addendum 04 pg 1 P: or F:

2 ELECTRIC OPERATED FOUR FOLD DOORS (Alternate A-3) PART 1 GENERAL 1.01 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division-1 Specification Sections, apply to the Work of this Section. B. Procedures for compliance with certain USGBC LEED prerequisites and credits needed for the project to obtain LEED certification apply to this section SUMMARY A. This Section describes the requirements for providing electric operated four fold doors as shown on the Drawings and specified. B. Provide complete operating door assemblies including door sections, guides, hardware, and installation accessories. C. Concrete or grout work is specified in Division 3, and is by others. D. Opening framing is specified in Division 5, and is by others. E. Finish painting is specified in Division 9, and is by others. F. Electrical connections, including disconnects, conduit, wire, junction boxes, and field wiring of high or low voltage systems for powered operators and accessories are specified in Division 16, and is by others SUBMITTAL A. General: Submit the following in accordance with Conditions of Contract and Division 1 Specification Sections. B. Product Data: Submit manufacturer s product data, roughing-in diagrams, and installation instructions for each type and size of electric operated four fold doors. Provide operating instructions, maintenance information, and electrical rough-in instructions. C. LEED Submittal: 1. Certificates for MR4.1 and MR4.2 indicating percentages by weight of post-consumer and pre-consumer recycled content for products having recycled content. Include statement indicating cost for each product have recycled content. D. Shop Drawing: Show construction details; clearance requirements, metal gauges, finish, electrical requirements, design data, and interface requirements for Work of other Sections of this Specification. E. Submit written certifications and calculations that verify the door assembly s ability to support its own weight and the specified loads. F. Door Manufacturer shall submit a reference list including names and telephone numbers of five (5) successful installations of this type within the past two (2) years QUALITY ASSURANCE A. Furnish each electric operated four fold door as a complete unit produced by one manufacturer, including hardware, accessories, mounting and installation components. B. Door manufacturer shall have at least 10 years experience in manufacturing doors of the type specified. C. Single Source: Furnish all electric four fold doors and operating units, inclusive of control panels, from one manufacturer for the entire Project. D. Inserts and anchorages: Furnish setting drawings, templates, instructions, and directions for installation of anchoring devices. Coordinate delivery with work in other division to avoid delays. E. See concrete and masonry Sections of these specifications for installation of inserts and anchorage devices. PART 2 PRODUCTS 2.01 MANUFACTURER A. Project design is based on materials and systems of: International Door, Inc Ronda drive, Canton, Michigan ELECTRIC OPERATED FOUR FOLD DOORS

3 ( ) B. Similar materials and systems of other manufacturers will be considered for substitution, providing that all items of the specification are complied to and subject to the requirements of Section 01250, Contract Modification Procedures. 1. Electric Power Door is an approved substitute. 2. Door Engineering is an approved substitute MATERIALS AND FABRICATION A. General: Comply with the following standards for forms and type of materials for required items of work. 1. Steel Tubing, Electric Welded: ASTM A Steel Tubing, Structural Welded: ASTM A500 Grade B 3. Structural Shapes and plates: ASTM A36 4. Castings, Cast Iron: ASTM A48 5. Face Sheets: Steel sheet metal, flat, hot rolled, 14 gauge minimum ASTM A Glazing: As per the drawings 7. The use of cold formed shapes for structural members or stiffeners fabricated from sheets or strips of any material will not be allowed. B. Design Criteria: Design loads shall be as per the load listed on the structural drawings. Manufacturer shall be responsible for engineering the entire door assembly to function properly for those conditions. C. Door Panel Construction: Custom metal fabrications as indicated. 1. Door panel frames (leaves) will have both horizontal and vertical structural framing, and shall be constructed of standard structural steel, square steel tubing, or rectangular steel tubing sections of ample size and strength for loads and stresses imposed under the specified conditions. Minimum steel tube thickness of the vertical perimeter members shall not be less than or 14 gauge. Interior door panel frame members shall be steel tubing not less than or 14 gauge thick and spaced at not more than 24 inches center to center. The interior members shall run horizontally. Pan style construction or the use of cold/hot formed sheet metal channels, hats, angles, or other sheet formed members in the panel construction will not be allowed. 2. The structural frames for the door panels shall be of welded construction and all joints shall be ground smooth wherever exposed and/or where sheeting overlaps the framing members. 3. Door panel frame members shall be true to dimension and square in all directions. 4. Door panels shall not be bowed, warped, or out of line by more than 1/8 in 20 feet. 5. Exposed welds and welds which interfere with the installation of various parts shall be ground smooth. 6. Unglazed portions of the door panel frames shall be sheeted on both sides with 14 gauge flat hot rolled steel which is welded to the door panel frame. Welds to be 9 O.C. All exposed seams of the door panel sheeting shall be caulked with Eclectic Brand E6100 adhesive caulk after fabrication and prior to prime painting. 7. Unglazed portions of the door sections shall be insulated with 2 of fibrous glass batttype insulation providing a U-value of.12 or less. The insulating material shall be fitted to cover the entire surface of the door panel between the structural members. Other insulation types and R/U values are available. Consult Factory. 8. Provide glass as specified on the drawings HARDWARE A. Provide hardware necessary for a complete installation. Hardware shall be heavy duty type, including all bolts and fittings for the hardware as follows: 1. Door Guides: ELECTRIC OPERATED FOUR FOLD DOORS

4 a. For doors up to 16-0 wide: The door guides shall be an upside down channel shape fabricated from 3/16 thick steel plate. Include wall support brackets. Guides shall be capable of being mounted within 4 of headroom. b. For doors 16-0 or wider: The door guides shall be steel S beams S4 x 7.7 minimum. Include wall support brackets. Guides shall be capable of being mounted within 15 of headroom. 2. Guide Roller Assemblies: a. For doors up to 16-0 wide: The door shall have a minimum of two antifriction bearing guide rollers. The guide rollers shall be of sufficient size to transmit the wind load from the door panel to the steel door guides. b. For doors 16-0 or wider: The door shall have a minimum of two antifriction guide roller assemblies. The guide roller assemblies shall be of sufficient size to transmit the wind load from the door panels to the steel door guides. Provide two (2) rollers (3 minimum diameter) in each assembly with bearings to take the vertical load and four (4) steel rollers (1 minimum diameter) capable of withstanding the horizontal Net design wind pressure (p net ) loading. 3. Jamb Hinges: Door shall be complete with shop-applied strap type jamb hinges. Jamb hinges to be constructed from steel 3 x 3/8 bar. Any seams where the barrel of the jamb hinge joins the strap must be fully welded. For doors 3 or more inches thick, a pair of gussets consisting of 1 x 3/8 x 21 long steel bars shall be welded to the surface of the hinge strap and barrel. Each hinge shall be supported on Timken roller bearings properly sized to carry the weight of the jamb and center door panels. Jamb hinges shall be attached to the door panel with through bolted connections. Grease zerk fittings shall be provided on all hinge barrels for greasing hinge pintles. 4. Hinge Pintles: Jamb hinges shall have continuous 7/8 diameter steel pintle extending through the wall mounted jamb support plates and the strap hinge barrels for the full height of the opening. Stainless steel pintles used on exterior mounted or in corrosive areas. 5. Fold Hinges: Door shall be complete with strap type fold hinges. Fold hinges on doors up to 15 wide shall be constructed from 3 x ¼ steel plate or bar. Fold hinges on doors wider than 15 shall be constructed from 3 x 3/8 steel plate or bar. Any seams where the barrel of the fold hinge joins the strap must be fully welded. Hinge pins on the fold hinges shall be fully captured in the hinge stationary barrels above and below the rotating hinge (dual capture design) and have no less than two (2) shear planes. Fold hinges shall be equipped with 5/8 diameter hinge pins (for doors up to 15 wide) or 7/8 diameter hinge pins (for doors 15 and wider). Folding hinge pins shall have a grease chase with grease zerk firings provided for lubrication. All fold hinges shall be equipped with two (2) Timken roller bearings properly sized to carry the weight of the center door panel. Fold hinges shall be attached to the center and jamb door panel with through bolted connections. 6. Weather-stripping: Doors shall be fully weather-stripped. The door manufacturer shall have factory tested similar door seal systems for air leakage per ASTM E283 with test results verified by an independent testing laboratory. a. Supply dual durometer, all-temperature, ultra-violet stable PVC electrometric snap-on type weather seal including 1 x 1 x 1/8 steel doorstop angles for application to the door jambs and head. b. Cloth inserted 1/8 rubber sweeps with aluminum retainer bars shall be supplied for application to the sill area. c. A combination reversing edge/weather seal shall be included for sealing the center meeting edges of the door panels. The reversing edge/weather seal shall ELECTRIC OPERATED FOUR FOLD DOORS

5 be fabricated from a 1 diameter gum rubber pressure sensing tube covered with weather resistant vinyl impregnated onto rip-stop nylon fabric. d. Closed cell sponge rubber attached to metal astragal bars shall be used to seal the folding joint between the door sections. 7. Operating Unit: Doors shall be electrically operated. The operator shall be mounted above the door head at top/center and furnished complete. The top mounted operator shall consist of a motor, two gear reducers with one common shaft powering both gear reducers, single gear box units will not be allowed, pushbuttons, limit switches, control panel, bearings, arms, and all necessary brackets and fittings to provide a smooth and satisfactory operation. This operator shall have sufficient horsepower to open or close doors against 30 mile-per-hour wind load pressure without noise or vibration. The gear reducer will have all gears immersed in all-weather lubricant, sealed in a heavy housing. Operator to consist of two gear reducers of opposite rotation. The motor shall be high-starting torque, ball bearing, rated at 220/440 V, 3 phase. The motor must be instantly reversible. The motor control circuit shall incorporate a manual reset overload relay with a positively adjustable rotary type limit switch, using three individual limit switches. Provide an easy emergency disconnect system so door can be manually operated in case of power failure. a. Electric Motors: Motors shall be high-starting torque type, of sufficient horsepower and torque output to move door in either direction from any position and produce an average door travel speed of not less than two-thirds, nor more than one foot per second, without exceeding the rated capacity. Motors shall conform to NEMA standards, have class B insulation, service factor of 1.0, and shall be suitable for operation on ¾ HP, 208Y/120V, 3 phase, 60 cycles totally enclosed, ball bearing, and continuous duty and capacity sufficient to operate the door at specified speed without exceeding a temperature rise of 55 degrees Celsius. (12 /second opening speed) 2.04 ELECTRICAL CONTROLS A. Control Panel: Each door shall be furnished with a NEMA 12 control panel enclosure. The control panel assembly shall be U.L. labeled and house a reversing across-the-line type magnetic motor starter having thermal-overload protection along with control relays, timers, fuses, terminal strips, and other electronic components as required to provide the specified operating sequences. All components shall be neatly labeled and pre-wired to numbered terminal strips that correspond to all the door s additional electrical components that are located outside of the electrical control panel enclosure. Power circuits in excess of 200 volts shall be provided with control transformers to reduce the voltage in the control circuit to 120 volts. 1. Pushbuttons: Pushbuttons shall be located on the interior of the building where shown and shall be the three-button type, with the buttons marked OPEN, CLOSE, and STOP. The OPEN button shall be of the type requiring only momentary pressure by the operator to cause the door to go from the closed to the fully open position. The CLOSE button shall require constant pressure from the operator to maintain the closing motion of the door. When the door is in motion and the STOP button is pressed, the door shall stop instantly and remain in the stop position; from the stop position, the door may then be operated in either direction by pushing the OPEN, or CLOSE button. Pushbuttons shall be NEMA 12/13 rated. Provide remotes, minimum 1 per door. Installer will program remotes per Owner s instructions. 2. Limit Switches: Shall be rotary can-type switches with NEMA rated micros witches. ELECTRIC OPERATED FOUR FOLD DOORS

6 3. Photo Eyes: a photo electric eye shall be located on both sides of the opening. These photo eyes will automatically reverse the door if an obstruction is in the door opening during closing. Photo eyes shall be through beam type. Photo enclosure to be NEMA 4X or IP6. 4. Reversing Device: Pneumatic-type reversing edges shall be located full length of the door on the leading edges of the two center sections. Reversing edges will automatically reverse the doors should they come in contact with an obstruction during closing. The reversing edges shall not substitute for limit switches. Electric sensing edge optional SHOP FINISHING A. General: Thoroughly clean, pre-treat and prime surfaces of door assembly including fixed panels trim, support and closure pieces. 1. Pre-treatment: As required by primer manufacturer. 2. Primer must be compatible with the field finish coating as specified in Section 9912 Painting. PART 3 EXECUTION 3.01 INSPECTION A. Verify that conditions are satisfactory for installation of electric four fold doors. B. Do not proceed with the Work of this Section until unsatisfactory conditions have been corrected INSTALLATION A. The installation of doors shall be a factory trained and certified Door Company of the door manufacturer or supervised by an authorized representative of the door manufacturer. B. Install door and operating equipment complete with necessary hardware, jamb and head weather strips, anchors, inserts, hangers, and equipment supports in accordance with final Shop Drawings, manufacturer s instructions, and as specified herein. C. Upon completion of installation including work by other trades, lubricate, test and adjust doors to operate easily, free from warp, twist, or distortion and fitting weather tight for entire perimeter. GENERAL TECHNICAL INFO: 14-0 X 14-0 Four Fold Electric Doors (2-Bifold) 1 fully insulated glass (see Architectural plan 4.70) with minimum 14ga. door frame thickness (door panel thickness to comply with the minimum basic wind speed requirement the Structural Drawing 3.00). Wind load as required by code with L/120 minimum Deflection. Provide radio controls/remote (One per Door) Provide presence sensors per door. All voids should be fully insulated (including Door Panels & Door Frames). Provide a minimum of 3 years warranty (Parts & Labor, no exception). Provide bi-fold control panel shown in electrical plan E10.20 as required by code. Refer to electrical plan E10.40 for power requirements. All conduits to be concealed & switches shall be of recessed type. GC to coordinate with the manufacturer prior to wiring and installation. ELECTRIC OPERATED FOUR FOLD DOORS