Attachment 02 - Technical Addendum No 2 - 25 JUL 2012.pdf

25 JUL 2012

TECHNICAL ADDENDUM NO. 2

New Commissary & Navy Exchange NSA Annapolis, Maryland

Incorporate the following items in the Contract Documents.

TO THE SPECIFICATIONS:

1. Specification Section 01500 MOBILIZATION AND TEMPORARY CONTROLS: Eliminate Section in its entirety and replace with the attached revised Section 01500. Changes include clarification of paragraph 1.6.3 Government’s Designated Inspector Field Office and are identified by red color font.

2. Specification Section 02510 WATER DISTRIBUTION: Eliminate Section in its entirety and replace with the attached revised Section 02510. Changes include elimination of PVC piping for exterior site water distribution and elimination of indicator post requirement. Revisions are identified by red color font.

3. Specification Section 08331 OVERHEAD COILING DOORS: Eliminate Section in its entirety and replace with the attached revised Section 08331. Revisions include coiling door and ventilation door material changes.

Revisions are identified by red color font.

4. Specification Section 08334 OVERHEAD COILING GRILLES: Eliminate Section in its entirety and replace with the attached revised Section 08334. Revisions include clarification of locking requirements.

Revisions are identified by red color font.

TO THE DRAWINGS:

5. Sheet A12.0: Delete all signage indicated on Interior Elevations A/12.0, B/A12.0, C/A12.0 and D/A12.0.

Signage will be Government Furnished and Installed (GF/GI).

END OF ADDENDUM NO. 2

nicholka Typewritten Text HDEC03-12-R-0006 Amend 02 Attachment 02

CONSTRUCTION ISSUE

Joint Commissary and Navy Exchange

NSA Annapolis, Maryland June 2011 – Technical Addendum No. 2

MOBILIZATION AND TEMPORARY CONTROLS

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SECTION 01500

MOBILIZATION AND TEMPORARY CONTROLS

PART 1 - GENERAL۞

1.1 GENERAL

1.1.1. This Section includes requirements for construction facilities and temporary controls, including temporary utilities, support facilities, and security and protection. Use of alternative construction facilities and temporary controls is contractor's option, subject to Contracting Officer's acceptance.

1.1.2. Regulations: Comply with industry standards and applicable laws and Installation regulations and authorities having jurisdiction.

1.1.3. The following apply to this section:

1.1.3.1. Fire, Safety, and Security

1.1.3.2. Temporary Utilities

1.1.3.3. Temporary Support Facilities

a. Government’s Designated Inspector Trailer.

b. Temporary Field Offices and Sheds.

c. Temporary Enclosures and Barriers.

d. Temporary Project Identification Signs and Bulletin Boards.

1.1.3.4. Temporary Security and Protection Facilities

1.1.3.5. Environmental Protection

1.1.3.6. Operation, Termination, and Removal

1.2 RELATED SECTIONS

1.2.1. All contract documents and contract modifications made part of the contract by inclusion or reference apply to this section.

1.2.2. Specific Reference:

1.2.2.1. Division 1 Section “Notice to Proceed.”

1.2.2.2. Division 1 Section “Coordination.”

1.2.2.3. Division 1 Section “Sustainable Design Requirements” for air quality control during construction.

1.2.2.4. Division 1 Section “Mechanical, Refrigeration, Food Service Equipment, and Electrical Coordination.”

1.2.2.5. Division 1 Section “Work Restrictions.”

1.2.2.6. Division1 Section “Administrative Requirements.”

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1.2.2.7. Division 1 Section “Critical Path Method Schedule.”

1.2.2.8. Division 1 Section “Information Management.”

1.2.2.9. Division 1 Section “Quality Control.”

1.2.2.10. Division 1 Section “Environmental Protection.”

1.2.2.11. Division 1 Section “Contract Closeout.”

1.2.2.12. Division 1 Section “Fire Prevention, Safety and Security.”

1.2.2.13. Division 10 Section “Signs” for temporary Project construction sign.

1.3 SUBMITTALS

1.3.1. Refer to specification Division 1 Section “Administrative Requirements” for procedures.

1.3.2. Submittal Schedule:

1.3.2.1. Provide the indicated quantity.

1.3.3. Submittal action by reviewer:

1.3.3.1. R: Review each submittal, mark to indicate action taken, and return.

1.3.3.2. I: Submittal is for information or record purposes only. No action will occur.

Action Reference Para.

Submittal

R 1.5.5.1 Temporary Utilities Plan

R 1.6.2.1 Temporary Support Facilities Plan

R 1.7. Temporary Security and Protection Facilities Plan

1.4 MOBILIZATION AND TEMPORARY CONTROLS

1.4.1. Provide new materials. Provide new equipment. If acceptable to the Contracting Officer, the contractor may use undamaged, previously used equipment in serviceable condition for temporary use. Provide equipment suitable for use intended.

1.4.2. Use qualified personnel for installation of temporary facilities. Coordinate with the Contracting Officer on locating facilities where they will serve the project adequately and result in minimum interference with performance of the work.

1.4.3. Provide each facility ready for use to avoid delays. Maintain and modify as required. Do not remove until facilities are no longer necessary or replaced by authorized use of completed permanent facilities.

1.4.4. Protection of Property Markers and Official Datum Points: Protect from damage during construction.

Remove only if necessary for construction and with approval of the Contracting Officer.

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1.4.5. Conditions of Use: Keep temporary services and facilities clean and neat in appearance. Operate in a safe and efficient manner. Relocate temporary services and facilities as the work progresses. Do not overload facilities or permit them to interfere with progress. Take necessary fire prevention measures. Do not allow hazardous, dangerous, unsanitary conditions, or public nuisances to develop or persist on-site or off-site.

1.4.5.1. Protection of Existing On-site and Off-site Facilities:

a. Protect on-site and off-site facilities, utilities, streets, and curbs from damage, dust, and dirt. Restore affected areas to original state or better at no expense to the Government.

b. Protect and preserve, in operating condition, active utility services that traverse or border the project site.

Repair damage resulting from this work at no expense to the Government.

1.4.6. Verify areas available for access, parking, and material storage before starting work.

1.4.6.1. The construction documents indicate staging areas.

1.4.6.2. Barricades, Warning Signs, and Lights: Comply with standards for erection of structurally adequate barricades. Paint with appropriate colors, graphics, and warning signs to inform personnel and the public of the hazard protected against. Where appropriate, provide lighting including flashing red or amber lights.

1.4.6.3. Enclosure Fence: Before excavation begins, install an enclosure fence with lockable entrance gates.

Locate where indicated, or enclose the portion determined sufficient to accommodate construction operations.

Install in a manner that will prevent people and animals from easily entering the enclosure.

1.4.6.4. Covered Walkway: Where required for protection of persons accessing the commissary, erect a structurally adequate, protective covered walkway for passage of persons. Coordinate with entrances, other facilities, and obstructions. Comply with regulations of authorities having jurisdiction. Provide handrails, barricades, warning signs, lights, safe and well-drained walkways, and similar provisions for protection and safe passage. Extend the back wall beyond the structure to complete the enclosure fence. Paint and maintain in a manner acceptable to the Contracting Officer.

1.5 TEMPORARY UTILITIES

1.5.1. Temporary utilities include, but are not limited to, the following:

1.5.1.1. Water service and distribution.

1.5.1.2. Temporary electric power and light.

1.5.1.3. Temporary heat.

1.5.1.4. Ventilation.

1.5.1.5. Telephone service.

1.5.1.6. Sanitary facilities, including drinking water.

1.5.2. General: Where only part of utility services are available, provide the remainder with matching, compatible materials and equipment. Comply with installation recommendations.

1.5.2.1. Arrange with the Contracting Officer for service interruptions and connections for temporary services.

1.5.2.2. Use Charges: The contractor is responsible for all temporary utility fees and their connection, removal, and restoration (e.g., electricity, gas, telephone, and water). Provide metering devices with programmable use rates, appropriate for the utility being used, and acceptable to the Contracting Officer.

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1.5.3. Standards: Comply with NEC Electrical Design Library "Temporary Electrical Facilities."

1.5.4. Inspections: Arrange for authorities having jurisdiction to inspect and test each temporary utility before use. Obtain required certifications and permits.

1.5.5. Submittals:

1.5.5.1. Provide a Temporary Utilities plan which identifies, but is not limited to, plans and procedures for the following:

a. Submit reports of tests, inspections, meter readings, and similar procedures performed on temporary utilities.

b. Implementation and Termination Schedule: Include in the CPM schedule (refer to Section 01310) a sub-schedule indicating implementation and termination of each temporary utility.

c. Proposed utility connection and termination plan.

d. Items identified in subparagraphs of paragraph 1.5.

1.5.6. Water Service and Distribution

1.5.6.1. Water Service: Install distribution piping of sizes and pressures adequate for construction operations.

1.5.7. Temporary Electric Power and Light

1.5.7.1. Temporary Electric Power: Provide weatherproof, grounded electric power distribution system of sufficient size, capacity, and power characteristics during the construction period.

1.5.7.2. Temporary Lighting: Provide temporary lighting with local switching. Install and operate temporary lighting that will fulfill security and protection requirements without operating the entire system. Provide temporary lighting that will provide adequate illumination for construction operations and traffic conditions.

a. For new construction maintain a minimum of 10 foot candles (or more if required by regulatory agencies) in all areas. Increase the lighting levels to a minimum of 75 foot candles when drywall, painting, and other finish operations begin.

1.5.7.3. Electrical Outlets: Provide properly configured, NEMA polarized outlets to prevent insertion of 110 to 120 volt plugs into higher voltage outlets. Provide receptacle outlets equipped with ground-fault circuit interrupters, reset button, and pilot light for connection of power tools and equipment.

1.5.7.4. Electrical Power Cords: Provide grounded extension cords. Use hard-service cords where exposed to abrasion and traffic. Provide waterproof connectors to connect separate lengths of electric cords if single lengths will not reach areas where construction activities are in progress. Do not exceed safe length-voltage ratio.

1.5.7.5. Lamps and Light Fixtures: Provide general service incandescent lamps of wattage required for adequate illumination. Provide guard cages or tempered-glass enclosures where exposed to breakage. Provide moisture resistant exterior fixtures.

1.5.8. Temporary Heat

1.5.8.1. Provide temporary heat required by construction activities for curing or drying of completed installations or for protection of installed construction from adverse effects of low temperatures or high humidity. Select safe equipment that will not have a harmful effect on existing installation, newly completed installations, and elements being installed. Coordinate ventilation requirements to produce the ambient condition required and minimize consumption of energy.

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1.5.8.2. Heating Units: Provide temporary heating units tested and labeled by UL, FM, or another recognized trade associated related to the type of fuel being consumed.

1.5.8.3. Heating Facilities: Except where the Government authorizes use of the permanent system, provide vented, self-contained, LP gas or fuel oil heaters with individual space thermostatic control.

a. Prohibit the use of open flame, salamander, or burning space heating units.

1.5.9. Ventilation

1.5.9.1. Temporary Ventilation: Ventilate enclosed areas to assist cure of materials, to dissipate humidity, and to prevent accumulation of dust, fumes, and gases. Locate exterior exhausts away from entrances and air intake equipment.

1.5.10. Telephone Service

1.5.10.1. Temporary Telephones: Provide temporary telephone service throughout the construction period for all personnel engaged in construction activities. Install telephone on a separate line for each temporary office.

a. At each telephone, post a list of operational and emergency telephone numbers.

1.5.11. Sanitary Facilities, Including Drinking Water

1.5.11.1. Sanitary facilities include temporary toilets, wash facilities, and drinking water fixtures. Comply with regulations and health codes for the type, number, location, operation, and maintenance of fixtures and facilities.

Install where facilities will best serve the project needs (verify locations acceptable to the Contracting Officer before proceeding).

a. Toilets: Use of the Government's existing sanitary facilities is not permitted.

1.5.11.2. Water: Provide potable water approved by local health authorities.

1.5.11.3. Temporary Toilet Units: Provide self-contained, single-occupant toilet units of the chemical, aerated recirculation, or combustion type for construction personnel. Provide units properly vented and fully enclosed with a glass-fiber-reinforced polyester shell or similar non-absorbent material.

1.6 TEMPORARY SUPPORT FACILITIES

1.6.1. Provide any other equipment, facilities, or materials necessary to house office operations and protect stored construction materials or building equipment from the elements. This includes, but is not limited to: storage trailers, crating, etc. Support facilities include, but are not limited to, the following:

1.6.1.1. Field offices and storage sheds.

1.6.1.2. Temporary enclosures.

1.6.1.3. Temporary project identification signs and bulletin boards.

1.6.1.4. Waste disposal services.

1.6.1.5. Rodent and pest control.

1.6.2. Submittals:

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1.6.2.1. Provide a Temporary Support Facilities plan which identifies, but is not limited to, plans and procedures for the following:

a. Implementation and Termination Schedule: Include in the CPM schedule, (refer to Division 1 Section “Critical Path Method Schedule”) a sub-schedule indicating implementation and termination of each temporary support facility.

b. Proposed staging area plan.

c. Proposed site layout for temporary facilities and offices.

d. Floor plan for Government’s Designated Inspector facility.

e. Other items identified in subparagraphs of paragraph 1.6

1.6.3. Government’s Designated Inspector Field Office:

1.6.3.1. Provide a temporary office trailer (new or like new condition) for the use of Government’s Designated Inspector. Physically detach the office from the contractor's structure.

1.6.3.2. Government’s Designated Inspector Field Office: Install the office complete with utilities within three weeks after Notice to Proceed (NTP) in a location and orientation approved by the Government’s Designated Inspector. Strap down the office to prevent shifting or dislocation by wind. Maintain office, including utilities and sanitary facilities, until completion of all punch list work at the end of the contract. This may require relocation, at contractor’s expense, of the office and utilities to allow completion of the project. Place utilities to support office occupancy at any time of the day or night. Field office shall be Williams Scotsman, GE Capital, or approved equal.

Minimum 12 feet wide by 56 feet long, with minimum of two private offices, a conference room, and a toilet.

a. Furnish and equip field office with:

(1) Separate offices for representatives of the DeCA Contracting Officer and the Nexcom Contracting Officer.

(2) Two each 60 inch by 30 inch double pedestal desks with lockable drawers.

(3) Two each 72 inch by 36 inch plan table.

(4) Four legal size 4 drawer metal lockable file cabinets.

(5) Two desk type swivel chairs with arm rests.

(6) Two stools to match plan table height.

(7) Three waste baskets.

(8) Electric water cooler including scheduled delivery of bottled drinking water and drinking cups, quantities on an as-needed basis.

(9) Twelve inch wide shelving and a minimum of 40 LF for reference books (installed by contractor at direction of the Government’s Designated Inspector.

(10) Conference table (minimum of 36 x 96 inches) and six upholstered conference chairs.

(11) Two plan storage rack (Minimum capacity of six sets of full size project plans).

(12) Outside security lighting operated by photocell

b. Equip with:

(1) Fluorescent lighting with minimum of 550 lux at desk tops and plan table. Incandescent lighting acceptable in restroom.

(2) Restroom complete with functional toilet, sink, and toilet accessories; with hot and cold potable water and connected to nearest water supply and sanitary sewer system. Insulate and heat trace water, sewer line, and holding tank (if applicable) to protect from freezing in cold climate areas.

(3) A minimum of 10 duplex 120 volt convenience outlets, distributed versus ganged.

(4) Two commercial telephone lines (voice and data transmission quality without call waiting) and service with jacks in each office and general room (cost of the monthly service charge and long distance call to be borne by the Government’s Designated Inspector; installation paid by the contractor).

(5) Two high speed internet connections.

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(6) Window in general area and in the office areas.

(7) Blinds on all windows.

(8) Automatic heating and cooling sufficient to maintain 75 degrees F annually.

(9) Utilities inclusive of electricity, potable water, sewage collection and disposal, and telephone service. Make all utility connections and connection charges. Pay all monthly utility service charges except for the Government’s Designated Inspectors monthly telephone and long distance service.

(10) Security in the form of steel bars on the windows and steel (versus sheet metal) hasp capable of receiving a padlock on doors.

(11) Sturdy and safe access to the building free from water, mud, and other obstacles, with mud scraper outside entrance.

c. Meet all contract codes. All furnishings new or like new condition.

1.6.3.3. Late Provision of Government’s Designated Inspector Field Office: Failure to provide the facility within the time period allotted shall subject the contractor to a deductive modification to the contract for all reasonable costs incurred by the Government for the provision of a temporary office facility for each Government’s Designated Inspector for each day of contractor delay in providing the facility on site. Additionally, the deductive modification will cover temporary office facilities (leased motel room, 7 days per week), mileage, cellular communication, reproduction, and datafax costs incurred in the course of business by each Government’s Designated Inspector during the applicable period of contractor delay. The Government’s Designated Inspector will maintain mileage logs, phone logs, datafax logs, and receipts.

1.6.4. Temporary Field Offices and Sheds

1.6.4.1. Field Offices: Within 21 days from notice to proceed, provide insulated, weather tight temporary offices of sufficient size to accommodate required office personnel at the project site. Keep the office clean and orderly for use for small progress meetings, etc.

a. Provide prefabricated or mobile units with lockable entrances, operable windows, and serviceable finishes.

Provide heated and air conditioned units on foundations adequate for normal loading.

1.6.4.2. Locate field offices, storage sheds, and other temporary construction and support facilities for easy access.

a. Coordinate and obtain approval of location of field offices and storage sheds with the Contracting Officer.

1.6.5. Temporary Project Identification Signs and Bulletin Boards

1.6.5.1. Project Identification and Temporary Signs: Prepare project identification and other signs of size indicated. Install signs where indicated to inform the public and persons seeking entrance to the project. Support on posts or framing of preservative-treated wood or steel. Do not permit installation of unauthorized signs.

a. Project Identification Signs: Engage an experienced sign painter to apply graphics. Comply with requirements contained in Section 10431.

b. Temporary Signs: Prepare signs to provide directional information to construction personnel and visitors.

c. No other signs permitted without the Contracting Officer's permission except those required by law.

1.6.5.2. Plywood: For signs and directory boards, provide exterior-type, Grade B-B high density concrete form overlay plywood, unless otherwise indicated, of size and thickness indicated.

1.6.5.3. Paint: For sign panels and applying graphics, provide exterior-grade alkyd gloss enamel over exterior primer unless otherwise indicated.

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1.6.6. Waste Disposal Services

1.6.6.1. Collection and Disposal of Waste: Collect waste from the construction areas and elsewhere on a daily basis.

1.6.7. Rodent and Pest Control

1.6.7.1. Rodent and Pest Control: Retain a local exterminator or pest control company to recommend practices to minimize attraction and harboring of rodents, roaches, and other pests. Employ this service to perform extermination and control procedures at regular intervals so the project will be free of pests and their residues at completion of the project. Perform control operations lawfully, using environmentally safe materials.

1.6.8. Grounds Maintenance

1.6.8.1. Perform routine grounds maintenance to prevent accumulation of debris and overgrowth of grounds cover and vegetation. Mow as required when weeds and grasses reach 3” in height.

1.7 TEMPORARY SECURITY AND PROTECTION FACILITIES

1.7.1. Security and protection facilities include, but are not limited to, the following:

1.7.1.1. Temporary fire protection.

1.7.1.2. Barricades, warning signs, and lights.

1.7.1.3. General lighting.

1.7.1.4. Enclosure fence for the site.

1.7.1.5. Covered walkways.

1.7.1.6. Security enclosure and lockup.

1.7.1.7. Environmental protection.

1.7.2. Submittals:

1.7.2.1. Provide a Temporary Security and Protection Facilities plan which identifies, but is not limited to, procedures for the following:

a. Implementation and Termination Schedule: Include in the CPM schedule (refer to Division 1 Section “Critical Path Method Schedule”) a sub-schedule indicating implementation and termination of each temporary facility.

b. Proposed layout and construction materials for items in paragraph 1.7.

1.7.3. Temporary Fire Protection

1.7.3.1. Fire Extinguishers: Provide hand carried, portable, UL rated, Class A fire extinguishers for temporary offices and similar spaces. In other locations, provide hand carried, portable, UL rated, Class ABC, dry chemical extinguishers or a combination of extinguishers of NFPA recommended classes for the exposure.

a. Comply with NFPA 10 and NFPA 241 for classification, extinguishing agent, and size required by location and class of fire exposure.

1.7.4. Barricades, Warning Signs, and Lights

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1.7.4.1. Tarpaulins: Provide waterproof, fire resistant, UL labeled tarpaulins with a flame spread rating of 15 or less. For temporary enclosures, provide translucent, nylon reinforced, laminated polyethylene or polyvinyl chloride, fire retardant tarpaulins.

1.7.4.2. Lumber and Plywood:

a. For vision barriers, provide minimum 3/8 inch thick exterior plywood.

b. For safety barriers, sidewalk bridges, and similar uses, provide minimum 5/8 inch thick exterior plywood. Paint sides facing sales area two coats gloss white.

1.7.4.3. Wind Damage Control: Provide properly designed and constructed temporary bracing of adequate strength to prevent damage to project and component parts due to normal and excessive wind forces. Replace or repair damaged portions of project and component parts at no additional cost to the Government.

1.7.5. Enclosure Fence for the Site

1.7.5.1. Site Limit Barrier: Provide a site limit barrier constructed of a temporary chain link fence, at least 6 feet high, on steel posts with a steel top rail and bottom tension wires.

1.7.5.2. Open-Mesh Fencing 6 Foot High: Provide 0.120 inch thick, galvanized 2 inch chain link fabric fencing and galvanized steel pipe posts, 1 ½ inch I.D. for line posts and 2 inch I.D. for corner posts. Provide gates of similar construction.

1.7.6. Covered Walkways

1.7.6.1. Provide walkway roofs with adequately braced 2" x 4" wood or metal studs with 5/8 inch plywood on the exterior side.

1.7.7. Security Enclosure and Lockup

1.7.7.1. Security Dust Barriers: Provide security dust barriers as required, similar in all respects to the dust barrier, except that the security dust barrier has, in addition to the tarpaulin, a layer of 5/8 inch plywood attached full height to the opposite side of the studs from the tarpaulin.

1.7.7.2. Security Weather tight Temporary Enclosure: Where security weather tight temporary enclosures are required, provide a temporary framework with 5/8 inch plywood on the exterior side and 5/8 inch gypsum wallboard or plywood on the interior. Install a tarpaulin over exterior surfaces subject to the weather, taped and secured to provide a weather tight enclosure. Construct to comply with wind load requirements. Maintain weather tight throughout the time in use.

1.7.7.3. Provide doors in temporary enclosures for access to the work, of similar construction to the temporary enclosure in which it occurs. Provide doors with hinges, braces, and locks.

a. Security Weather tight Barriers: Where security Weather tight barriers are required, provide a temporary framework with 5/8 inch plywood on the exterior side and 5/8 inch gypsum board or plywood on the interior side.

Provide one layer of polyethylene fiberglass reinforced film on exterior surfaces subject to the weather. Tape and secured to provide a weather tight enclosure. Maintain weather tight throughout the construction period.

1.8 OPERATION, TERMINATION, AND REMOVAL

1.8.1. Supervision: Enforce strict discipline in use of temporary facilities. Limit availability of temporary facilities to essential and intended uses to minimize waste and abuse.

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1.8.2. Maintenance: Maintain facilities in good operating condition until removal. Protect from damage by the elements.

1.8.3. Maintain support facilities until near project final acceptance. Remove prior to project final acceptance.

1.8.3.1. Maintain operations of temporary enclosures, heating, cooling, humidity control, ventilation, and similar facilities on a 24 hour basis where required to achieve indicated results and to avoid possibility of damage.

1.8.3.2. Protection: Prevent water-filled piping from freezing.

1.8.4. Termination and Removal: Unless the Contracting Officer requests longer maintenance, remove each temporary facility when the need ends or when replaced by authorized use of a permanent facility. Complete or, if necessary, restore permanent construction delayed because of interference with the temporary facility. Repair damaged work, clean exposed surfaces, and replace irreparable construction.

1.8.4.1. Materials and facilities that constitute temporary facilities are the contractor's property. The government reserves the right to take possession of project identification signs.

1.8.4.2. For areas intended for landscape development, remove soil and aggregate fill that do not comply with requirements for fill or subsoil in the area. Remove materials contaminated with road oil, asphalt and other petrochemical compounds, and other substances that might impair growth of plant materials or lawns.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION

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WATER DISTRIBUTION

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SECTION 02510

PART 1 - GENERAL

1.1 SUMMARY

1.1.1. Section Includes

a. Piping and specialties for potable-water and fire-protection water services and mains outside the building.

1.2 DEFINITIONS

1.2.1. Industry Abbreviations For Plastic Materials

a. PVC: Polyvinyl chloride.

1.3 SYSTEM PERFORMANCE REQUIREMENTS

1.3.1. Minimum Working Pressures

a. The following are minimum pressure requirements for piping and specialties, unless otherwise indicated:

Combined Potable-Water and Fire-Protection Water Service: 200 psig.

1.4 SUBMITTALS

1.4.1. Product Data

a. Provide product data for the following:

(1) Pipe and fittings.

(2) Valves.

(3) Fire Hydrants.

1.4.2. Shop Drawings

a. For precast concrete vault assemblies. Include frames and covers and drains.

1.4.3. Purging and Disinfecting Reports

a. As specified in "Cleaning" Article in Part 3.

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1.4.4. Operation and Maintenance Data

a. For specialties to include in the maintenance manuals specified in Division 1. Include data for the following:

(1) Valves.

(2) Fire Hydrants.

1.4.5. Submittal List

Reference Submittal Item Quantity Action

1.4.1 Product Data X R

1.4.2 Shop Drawings X R

1.4.3 Purging and Disinfecting Reports X I

1.4.4 Operation and Maintenance Data X I

X Submit quantity specified in Division 1 Section “Administrative Requirements.”

R Review each submittal, mark to indicate action taken, and return.

I Submittal is for information or record purposes only. No action will be taken.

1.5 QUALITY ASSURANCE

1.5.1. General

a. Comply with all requirements of the Installation’s Public Works and/or Engineering Office in regard to all matters associated with installation of water systems. Specifically included are the tapping of existing mains, backflow prevention requirements and materials and testing and disinfection of potable water systems and plumbing.

b. Comply with standards of authorities having jurisdiction for fire protection system. Include materials, hose threads, installation, and testing.

c. Comply with NFPA 24 for materials, installations, tests, flushing, and valve and hydrant supervision.

d. Comply with NFPA 70, "National Electrical Code," for electrical connections between wiring and electrically operated devices.

e. Provide listing/approval stamp, label, or other marking on piping and specialties made to specified standards.

f. Product Options: Water systems and accessories are based on specific performance characteristics. It shall be the obligation of the Contractor to confirm that the dimensions, operation, and other characteristics of the items provided meet the design concept or intended performance.

g. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

h. NSF Compliance:

(1) Comply with NSF 14 for plastic potable water service piping.

(2) Comply with NSF 61 for materials for water service piping and specialties for domestic water.

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1.6 DELIVERY, STORAGE, AND HANDLING

1.6.1. Preparation for Transport

a. Prepare valves, including fire hydrants, according to the following:

(1) Ensure that valves are dry and internally protected against rust and corrosion.

(2) Protect valves against damage to threaded ends and flange faces.

(3) Set valves in best position for handling. Set valves closed to prevent rattling.

1.6.2. During Storage

a. Use precautions for valves, including fire hydrants, according to the following:

(1) Do not remove end protectors, unless necessary for inspection; then reinstall for storage.

(2) Protect from weather. Store indoors, if possible, and maintain temperature higher than ambient dew-point temperature. Support off the ground or pavement in watertight enclosures when outdoor storage is necessary.

1.6.3. Handling

a. Use sling to handle valves and fire hydrants whose size requires handling by crane or lift. Rig valves to avoid damage to exposed valve parts. Do not use handwheels or stems as lifting or rigging points.

1.6.4. General

a. Deliver piping with factory-applied end-caps. Maintain end-caps through shipping, storage, and handling to prevent pipe-end damage and to prevent entrance of dirt, debris, and moisture.

b. Protect stored piping from moisture and dirt. Elevate above grade. Do not exceed structural capacity of floor when storing inside.

c. Protect flanges, fittings, and specialties from moisture and dirt.

d. Store plastic piping protected from direct sunlight. Support to prevent sagging and bending.

1.7 PROJECT CONDITIONS

1.7.1. General

a. Perform site survey, research public utility records, and verify existing utility locations.

b. Verify that water-service piping may be installed to comply with original design and referenced standards.

1.8 SEQUENCING AND SCHEDULING

1.8.1. General

a. Coordinate connection to existing water main with the Installation.

b. Coordinate piping materials, sizes, entry locations, and pressure requirements with building water distribution piping.

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c. Coordinate piping materials, sizes, entry locations, and pressure requirements with building fire-protection water piping.

d. Coordinate with other utility work.

PART 2 - PRODUCTS

2.1 PIPES AND TUBES

2.1.1. General

a. Applications of the following pipe and tube materials are indicated in Part 3 "Piping Applications" Article.

b. PVC Plastic Pipe: AWWA C900, SDR 14 (Class 200), bell ends with elastomeric gasket meeting ASTM F 477, and spigot end. Pipe Marking: “NSF-pw” according to NSF 14.

c. Push on Joint Ductile Iron Pipe: AWWA C151, with push on joint bell with plain spigot end, unless grooved or flanged ends are indicated.

(1) Push on Joint Ductile Iron Fittings: AWWA C153 ductile iron compact pattern

(2) Gaskets: AWWA C111, rubber.

d. Copper Tubing: Conforming to AWWA B42, hard drawn or annealed, Type K

2.2 PIPE AND TUBE FITTINGS

2.2.1. General

a. Applications of the following pipe and tube fitting materials are indicated in Part 3 "Piping Applications" Article.

b. PVC Fabricated Fittings: AWWA C900, Class 200, with bell-and-spigot or double-bell ends. Include elastomeric gasket meeting ASTM F 477 in each bell.

c. Cast Iron Fittings: AWWA C110, and have cement mortar lining, standard thickness in accordance with AWWA C104. Bell design shall be modified for push-on joint suitable for use with the specified PVC pipe. Include elastomeric gasket meeting ASTM F 477 in each bell.

d. Copper Tube Fittings: ASME B16.18, cast copper alloy or ASME B16.22 wrought copper and bronze.

2.3 JOINING MATERIALS

2.3.1. General

a. Applications of the following piping joining materials are indicated in Part 3 "Piping Applications" Article.

b. PVC Piping: The following materials apply:

(1) Push-on Joints: ASTM D 3139 with elastomeric gasket conforming to ASTM F477.

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c. Plastic Pipe-Flange Gasket, Bolts, and Nuts: Type and material recommended by piping system manufacturer, unless otherwise indicated.

d. Copper Tubing: AWS A5.8, BCuP

2.4 VALVES

2.4.1. Nonrising-Stem, Metal-Seated Gate Valves

a. AWWA C500, ductile-iron body and bonnet; with cast-iron or bronze, double-disc gate, bronze gate rings, bronze stem and stem nut. 200-psig minimum working-pressure rating; mechanical joint end connections; and interior coating complying with AWWA C550.

2.4.2. Nonrising-Stem, Resilient Seated Gate Valves

a. AWWA C509, ductile iron body and bonnet; with bronze or ductile iron gate, resilient seats, bronze stem and stem nut. 200 psig minimum working pressure rating; mechanical joint end connections and interior coating complying with AWWA C550.

2.4.3. Pre-Cast Concrete Valve Vaults

a. 5 foot diameter, designed for heavy traffic loading and made according to ASTM C858 and installed in accordance with ASTM C 891. Comply with standards of local agency having jurisdiction for pre-cast concrete valve vault construction. Frame and Cover: All valve vaults shall have ASTM A 536 Grade 60- 40-18 ductile iron castings designed for heavy-duty service. Include 24-inch I.D. by 7 to 9 inch riser with 4 inch minimum flange width and 26 inch diameter cover with “Water” cast into lid.

2.4.4. Valve Boxes

a. Comply with AWWA M44 for cast iron valve boxes. Cast-iron box with top section and cover with lettering "WATER," bottom section with base of size to fit over valve and barrel approximately 5 inches in diameter, and adjustable cast-iron extension of length required for depth of bury of valve.

(1) Provide steel tee-handle operating wrench with each valve box. Include tee handle with one pointed end, stem of length to operate valve, and socket-fitting valve-operating nut.

2.4.5. Indicator Posts

a. UL 789, FM-approved, vertical-type, cast-iron body with operating wrench, extension rod, and adjustable cast-iron barrel of length required for depth of bury of valve.

2.4.6. Tapping Sleeve and Tapping Valve

a. Complete assembly, including tapping sleeve, tapping valve, and bolts and nuts. Use sleeve and valve compatible with tapping machine. Standard MSS SP-60.

(1) Tapping Sleeve: Cast- or ductile-iron, 2-piece bolted sleeve with flanged outlet for new branch connection. Sleeve may have mechanical-joint ends with rubber gaskets or sealing rings in sleeve body.

Include sleeve matching size and type of pipe material being tapped and of outlet flange required for branch connection.

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(2) Valve: AWWA, cast iron, non-rising stem, metal seated gate valve with one raised face flange mating tapping sleeve flange.

2.5 FIRE HYDRANTS

2.5.1. Description

a. Cast-iron body, compression-type valve, opening against pressure and closing with pressure, 6-inch mechanical-joint inlet, and 200-psig minimum working-pressure design.

2.5.2. Outlet Threads

a. NFPA 1963, with external hose thread used by local fire department. Include cast-iron caps with steel chains.

2.5.3. Operating and Cap Nuts

a. Pentagon 1-1/2 inch point to flat.

2.5.4. Direction of Opening

a. Open hydrant valve by turning operating nut to left or counterclockwise.

2.5.5. Exterior Finish

a. Alkyd-gloss enamel paint. Color shall meet the requirements of NFPA 291 and the Installation, unless otherwise directed by the Contracting Officer.

2.5.6. Dry-Barrel Fire Hydrants

a. AWWA C502, freestanding, one 4-1/2-inch NPS and two 2-1/2-inch NPS outlets, 5-1/4-inch main valve, drain valve, and 6-inch NPS mechanical-joint inlet. Include 200-psig minimum working-pressure design and interior coating according to AWWA C550.

2.6 ANCHORAGES

2.6.1. Concrete Reaction Backing

a. Portland cement concrete mix, 3000 psig.

(1) Cement: ASTM C 150, Type I.

(2) Fine Aggregate: ASTM C 33, sand.

(3) Coarse Aggregate: ASTM C 33, crushed gravel.

(4) Water: Potable.

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2.7 IDENTIFICATION

2.7.1. General

a. Refer to Division 2 Section "Earthwork" for underground warning tape materials.

b. Arrange for detectable warning tapes made of solid blue film with metallic core and continuously printed black-letter caption "CAUTION--WATER LINE BURIED BELOW."

c. Nonmetallic Piping Label: Engraved, plastic-laminate label at least 1 by 3 inches, with caption

"CAUTION--THIS STRUCTURE HAS NONMETALLIC WATER-SERVICE PIPING," for installation on main electrical meter panel.

2.8 CORROSION PROTECTION PIPING ENCASEMENT

2.8.1. Encasement for Underground Metal Piping:

a. Standards: ASTM A674 or AWWA C105

b. Tube Form

c. High Density, cross laminated PE film of 0.004 inch minimum thickness.

d. Black in Color

PART 3 - EXECUTION

3.1 EARTHWORK

3.1.1. Refer To

a. Division 2 Section "Earthwork" for excavation, trenching, and backfilling.

b. Division 2 Section "Hot-Mix Asphalt Paving" for cutting and patching of existing paving.

3.2 PIPING APPLICATIONS

3.2.1. General

a. Use pipe, fittings, and joining methods for piping systems according to the following applications:

b. Water-Service Piping: Use the following:

(1) 4 to 12 Inch: PVC plastic, AWWA Class 200 with PVC fabricated fittings for PVC plastic pipe; and gasketed joints.

(2) 4 to 12 Inch: Ductile Iron push on joint piping with ductile iron fittings and rubber gaskets.

3.3 VALVE APPLICATIONS

3.3.1. Drawings Indicate Valve Types To Be Used

a. Where specific valve types are not indicated, the following requirements apply:

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(1) Underground Valves, 3-Inch NPS and Larger: AWWA C500, gate valves, non-rising stem, with valve box.

3.4 JOINT CONSTRUCTION

3.4.1. PVC Piping, Gasketed Joints

a. Use joining materials according to AWWA C900. Construct joints with elastomeric seals and lubricant according to ASTM D 2774 or ASTM D 3139 and pipe manufacturer's written instructions.

3.4.2. Ductile Iron Piping, Gasketed Joints

a. For water service piping in accordance with AWWA C 600 and AWWA M41.

3.4.3. Dissimilar Materials Piping Joints

a. Use adapters compatible with both piping materials, outside diameter, and system working pressure.

Refer to "Piping Systems - Common Requirements" Article below for joining piping of dissimilar metals.

3.5 PIPING SYSTEMS - COMMON REQUIREMENTS

3.5.1. General Locations and Arrangements

a. Drawings indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated, unless deviations to layout are approved on Coordination Drawings.

b. Install components with pressure rating equal to or greater than system operating pressure.

c. Install piping free of sags and bends.

d. Locate groups of pipes parallel to each other, spaced to permit valve servicing.

e. Install fittings for changes in direction and branch connections.

3.6 PIPING INSTALLATION

3.6.1. General

a. Tap water main with size and in location as indicated on the plans, according to the requirements of the Installation:

(1) Install tapping sleeve and tapping valve according to manufacturer's written instructions.

(2) Install tapping sleeve on pipe to be tapped. Position flanged outlet for gate valve.

(3) Install gate valve onto tapping sleeve. Comply with AWWA C600. Install valve with stem pointing up and with cast-iron valve box.

(4) Use tapping machine compatible with valve and tapping sleeve; cut hole in main. Remove tapping machine and connect water-service piping.

b. Comply with NFPA 24 for fire-protection water-service piping materials and installation.

c. Install AWWA PVC plastic pipe according to AWWA M23 and ASTM F 645.

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d. Install ductile iron water service piping according to AWWA C600 and AWWA M41.

e. Bury piping with depth of cover in accordance with local jurisdictional agency.

3.7 ANCHORAGE INSTALLATION

3.7.1. General

a. Install anchorages (concrete thrust blocks) for tees, plugs and caps, bends, crosses, valves, and hydrant branches.

b. Install underground piping with mechanically restrained joints at horizontal and vertical changes in direction.

3.8 VALVE INSTALLATION

3.8.1. AWWA-Type Gate Valves

a. Comply with AWWA C600 and AWWA M44.

b. Install underground valves with stem pointing up and with cast-iron valve box.

3.9 FIRE HYDRANT INSTALLATION

3.9.1. General

a. Install each fire hydrant with separate gate valve in supply pipe, anchor with thrust blocks, and support in upright position.

b. AWWA-Type Fire Hydrants: Comply with AWWA M17.

c. Install hydrants such that the face of the pumper nozzle is between 2 feet and 5 feet from face of any adjacent curb.

3.10 IDENTIFICATION INSTALLATION

3.10.1. General

a. Install continuous plastic underground warning tape, with metallic core, during back-filling of trench for underground water-service piping. Locate 6 to 8 inches below finished grade, directly over piping.

b. Attach nonmetallic piping label permanently to main electrical meter panel.

3.11 FIELD QUALITY CONTROL

3.11.1. General

a. Prepare reports for all testing activities.

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3.11.2. Piping Tests

a. Conduct piping tests before joints are covered and after thrust blocks have hardened sufficiently. Fill pipeline 24 hours before testing and apply test pressure to stabilize system. Use only potable water.

3.11.3. Hydrostatic Tests

a. Test at not less than 1-1/2 times working pressure for 2 hours.

(1) Increase pressure in 50-psig increments and inspect each joint between increments. Hold at test pressure for one hour; decrease to 0-psig. Slowly increase again to test pressure and hold for one more hour.

Maximum allowable leakage is 2 quarts per hour per 100 joints. Remake leaking joints with new materials and repeat test until leakage is within above limits.

3.12 CLEANING

3.12.1. General

a. Clean and disinfect water distribution piping as follows:

(1) Purge new water distribution piping systems and parts of existing systems that have been altered, extended, or repaired before use.

(2) Use purging and disinfecting procedure prescribed by authorities having jurisdiction or, if method is not prescribed by authorities, use procedure described in AWWA C651 or as described below:

(a) Fill system or part of system with water/chlorine solution containing at least 50 ppm of chlorine. Isolate system or part thereof and allow solution to stand for 24 hours.

(b) Drain system or part of system of previous solution and refill with water/chlorine solution containing at least 200 ppm of chlorine; isolate and allow solution to stand for 3 hours.

(c) Following allowed standing time, flush system with clean, potable water until chlorine does not remain in water coming from system.

(d) Submit water samples in sterile bottles to authorities having jurisdiction. Repeat procedure if biological examination shows evidence of contamination.

(3) Dispose of all chlorinated test water in accordance with Division 1 Section “Environmental Requirements” of these specifications.

b. Prepare reports for purging and disinfecting activities.

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OVERHEAD COILING DOORS

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SECTION 08331

OVERHEAD COILING DOORS

PART 1 - GENERAL

1.1 SUMMARY

1.1.1. Section Includes

a. Type OCD 1: Manual operated insulated exterior coiling service doors in combination with manual operated coiling ventilation doors.

b. Type OCD 2: Manual operated insulated exterior coiling service doors.

c. Type OCD 3: Manual operated non-insulated interior coiling counter doors.

1.1.2. Related Sections

a. Division 1 Section “Sustainable Design Requirements.”

1.2 DEFINITIONS

Operation Cycle: One complete cycle of a door begins with the door in the closed position. The door is then moved to the open position and back to the closed position.

1.3 PERFORMANCE REQUIREMENTS

1.3.1. General Performance

a. Exterior overhead coiling doors shall meet performance requirements specified without failure due to defective manufacture, fabrication, installation, or other defects in construction and without requiring temporary installation of reinforcing components.

1.3.2. Delegated Design

1.3.3. Design exterior overhead coiling doors, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.

1.3.4. Structural Performance

a. Provide overhead coiling doors capable of withstanding the effects of gravity loads and the following loads and stresses without evidencing permanent deformation of door components:

(1) Wind Load:

(a) Provide exterior overhead coiling door assemblies, including anchorage, capable of withstanding wind pressures acting inward and outward normal to the plane of the wall.

(b) Refer to Division 1 Section "Description of Work" for wind loading design criteria.

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OVERHEAD COILING DOORS

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(c) Determine design loads using the appropriate coefficients for the exterior overhead coiling door assembly configurations indicated.

(2) Seismic Loads:

(a) Provide overhead coiling doors assemblies capable of resisting the effects of earthquake motions.

(b) Refer to Division 1 Section "Description of Work" for seismic-load design criteria.

(c) Determine seismic loads using the appropriate exposure coefficient for the overhead coiling door assemblies.

1.3.5. Operation-Cycle Requirements

a. Design overhead coiling exterior service and ventilation door components and operator to operate for not less than 100,000 cycles.

b. Provide interior service door components and operators capable of operating for not less than 20,000 cycles.

1.4 SUBMITTALS

1.4.1. Product Data

a. For each type and size of overhead coiling door and accessory. Include details of construction relative to materials, dimensions of individual components, profiles, and finishes. Provide roughing-in diagrams, operating instructions, and maintenance information. Include the following:

(1) Setting drawings, templates, and installation instructions for built-in or embedded anchor devices.

(2) Summary of forces and loads on walls and jambs.

1.4.2. Delegated-Design Submittal

a. For overhead coiling doors indicated to comply with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

(1) Detail fabrication and assembly of seismic restraints.

1.4.3. Sustainable Design Submittal:

a. Materials shall comply with the requirements of Division 1 Section “Sustainable Design

Requirements.”

b. Submit product data indicating percentages by weight of post-consumer and pre-consumer recycled content for products having recycled content. Include statement indicating costs for each product having recycled content.

c. Submit manufacturer’s product data or certification information for each of the following materials per Division 1 Section “Sustainable Design Requirements.”

(1) Adhesive and sealant MSDS for each material applied on-site in the interior.

(2) Paint and coating…