Attachment A Bid Specifications.docx

ATTACHMENT A

IFB1 2015000276

BID SPECIFICATIONS

Specification for LPG 1000 gallon storage tanks and Installations

1.0 Propane Storage Tank

Above ground tanks are to be manufactured to the latest edition and addenda of the ASME Code for Pressure Vessels, Section VIII Division I. Tanks shall comply with NFPA 58, meet the specifications of the State of Colorado and shall be listed by Underwriters Laboratories, Inc.

1.1 Tanks shall be provided with the following:

1.1.1 Vapor withdrawal attachment and valve

1.1.2 Liquid withdrawal attachment and valve

1.1.3 Filler valve

1.1.4 Pressure gauge

1.1.5 Combination gallonage and percentage gauge

1.1.6 Relief valve

1.1.7 Valves and gauges shall be covered with removable steel hood or cover

1.1.8 Valves and gauges shall be at or near the lengthwise center of the tank

1.1.9 Mounting footings to match existing foundations dimensions. See Attachment B-1 to reference the C-C Footing Pads and tank description

2.0 Specifications

2.1 Description of Work:

2.1.1 Propane tanks are to be installed at the sites of: (See Attachment B-1 spreadsheet and Attachment B-2 site photos)

2.1.2 Bidder will be required to complete the State Non-disclosure Agreement

2.2 Photos provided are to show areas requiring the work.

2.3 Owner’s Responsibilities:

2.3.1 Owner shall coordinate scheduling between Supplier and the State’s designated representative. The State designated representative will make arrangements for access to the sites for the work as needed.

2.4 Supplier’s Responsibilities for Delivery and Hookup of Tanks:

2.4.1.1 Supplier is responsible for the removal of propane in the existing propane tank(s).

2.4.1.2 Supplier is responsible for the removal of the existing tank(s) and hauling from site and providing trade in value if any.

2.4.1.3 Supplier is responsible for delivery and hookup of 1000 gallon capacity propane tank(s) as specified. (See Attachment B-1 spreadsheet and Attachment B-2 site Photos for determination of required footing bases, piping, and regulators)

2.4.1.4 Supplier is responsible for filling the new tank(s) with the previously removed propane from the existing tank(s).

2.4.1.5 Supplier is responsible for then topping off the new tank(s) with propane to the 80% level keeping record of the extra propane used and billing separately from the award.

2.4.1.6 Upon award the Supplier shall coordinate delivery with the State’s designated representative and keep that person informed of the work in progress.

3.0 GENERAL REQUIREMENTS

SUMMARY

This Section includes distribution piping systems for liquefied petroleum gas (LPG) extending from the point of delivery to the existing piping at the tank location for existing installations and includes distribution piping systems for liquefied petroleum gas (LPG) extending from the point of delivery to the demarcation point at the newly installed generator either inside the building or at the outside generator location. All piping connections to the liquefied petroleum gas utilization devices shall be by others. Piping materials and equipment specified in this Section include:

3.0.1 Pipes, fittings, regulators, and specialties shall be ¾” where possible.

3.0.2 Special duty valves.

3.1 Scope of Work:

3.1.1 Provide a propane storage tank system and LPG service piping for use in supplying the communications site generator subject to compliance with the specification section 15487 Liquefied Petroleum Gas Systems (LPG). The propane system shall be installed in compliance with NFPA 58 Liquefied Petroleum Gas code.

3.2 The LPG system supplier shall provide all permitting and compliance documentation at no additional cost to the Owner.

3.3 Sites marked as new piping See Attachment B-1 spreadsheet The supplier shall replace the existing tank(s), the standard POL pigtails, manifold T, and the primary regulator at the sites with existing tanks utilizing the vapor return valve that is present or install a new one if not present.

3.4 Sites marked as old piping See Attachment B-1 spreadsheet The supplier shall replace the existing tank(s) and install a new LPG system at the communication site marked as old piping. All tank final connections from the demarcation point at the generator to the tank dispensing point shall be provided by the LPG system supplier to include Pigtails Standard POL, Manifold T (for two tanks), primary regulator, vapor port valve for pressure testing, all flex riser, polypipe, 90 degree riser, secondary regulator, and shutoff valve. Risers and piping shall be ¾”diameter.

3.5 The ratings of the regulators shall accommodate 2,250,000 BTU/HR primary and 1,000,000 BTU/HR secondary

3.6 LPG pressures for systems specified in this Section are limited to the maximum operating pressure limitations of the piping system and those pressures defined by the fuel utilization equipment. (15 lbs primary- 6oz secondary)

4.0 DEFINITIONS

4.1 Pipe sizes used in this Specification are Nominal Pipe Size (NPS).

4.2 LPG Service Piping: The pipe from the LP tank, regulating valve, or service valve to the LPG distribution system of the generator served.

4.3 Point of Delivery: The outlet of the LP service regulator or service shutoff valve.

5.0 PROECT SUBMITTALS

5.1 Complete specifications and shop drawings of the LPG tank showing physicals dimensions and measurements.

5.2 Product data for each gas piping specialty and special duty valves. Include rated capacities of selected models, furnished specialties and accessories, and installation instructions.

5.3 Operating and maintenance manual, to include maintenance data for gas specialties and special duty valves.

5.4 Welders' qualification certificates, certifying that welders comply with the quality requirements specified under 6.2 below.

5.5 Test reports as specified in item 9.2 below.

5.6 Digital photos of each completed site.

6.0 QUALITY ASSURANCE

6.1 Installer Qualifications: Installation and replacement of gas piping, gas utilization equipment or accessories, and repair and servicing of equipment shall be performed only by a qualified installer. The term “qualified” is defined as experienced in such work (experienced shall mean having a minimum of 5 previous projects similar in size and scope to this project), familiar with precautions required, and has complied with the requirements of the authority having jurisdiction. Upon request, submit evidence of such qualifications to the State’s designated representative.

6.2 Qualifications for Welding Processes and Operators: Comply with the requirements of ASME Boiler and Pressure Vessel Code, "Welding and Brazing Qualification."

6.3 Regulatory Requirements: Comply with the requirements of the following codes:

6.3.1 2011 NFPA 58 – Liquid Petroleum Gas Code, for gas piping materials and components, gas piping installations, and inspection, testing, and purging of gas piping systems.

6.3.2 2011 NFPA 70 National Electric Code

6.3.3 2011 NFPA 54 Fuel Gas Piping systems

6.3.4 ASME B31.2 Fuel Gas Piping

6.3.5 2012 International Building Code

6.3.6 2012 International Mechanical Code

6.3.7 2012 International Plumbing Code

6.3.8 2012 International Fire Code

6.3.9 2012 International Fuel Gas Code

7.0 EQUIPMENT AND INSTALLATIONS

7.1 LPG tank and regulators are furnished and installed by the LPG supplier/installer under this section.

7.2 Tanks shall be pre-purged and ready to be filled.

7.3 Tanks shall be rated for use at 250 psig from -20° F. to 125° F.

7.4 Tanks shall be able to be evacuated to a full (14.7 psi) vacuum.

7.5 Vessel Finish: Epoxy paint. See Attachment B-1 spreadsheet for each site color requirement. Reference the Standard Environmental Colors Chart Attachment B-3

7.6 Liquid withdrawal opening shall be located under the dome.

7.7 Tank size and capacity: Mounting to match the existing foundations See Attachment B-1 spreadsheet for footing C-C dimensions for each site, 1000 gallons each

7.8 All Installations must be completed by June 1, 2016

Note summer access only sites Attachment B-1 State location

8.0 EXECUTION

8.1 PREPARATION

8.1.1 Conform to the requirements in NFPA 54, for the prevention of accidental ignition.

8.1.2 Propane tank installation: Install propane tank on existing concrete support foundations Attention: See Attachment B-1 spreadsheet for foundation footing dimensions. The foundations cannot be moved unless otherwise noted under tank description. The footings on the tanks will have to be welded to fit the existing foundation dimensions.

8.2 PIPE APPLICATION

8.2.1 Install steel pipe with threaded joints and fittings for 2 inches and smaller.

8.2.2 Install polyethylene pipe below grade.

8.2.3 Install transition fittings at LPG tank and at generator location.

8.2.4 Install threaded joints only at connections to valves or appliances.

8.3 PIPING INSTALLATION

8.3.1 General: Conform to the requirements of NFPA 58 – Liquid Petroleum Gas Code.

8.3.2 Locations and Arrangements: Drawings (plans, schematics, and diagrams) indicate the general location and arrangement of piping systems. Design locations and arrangements of piping take into consideration pipe sizing, flow direction, slope of pipe, expansion, and other design considerations. So far as practical, install piping as indicated.

8.3.3 Use fittings for all changes in direction and all branch connections.

8.3.4 Install exposed piping at right angles or parallel to building walls. Diagonal runs are not permitted, unless expressly indicated.

8.3.5 Install piping free of sags or bends and with ample space between piping to permit proper insulation applications.

8.3.6 Install unions in pipes 2 inch and smaller, adjacent to each valve, at final connections to each piece of equipment, and elsewhere as indicated. Unions are not required on flanged devices. Install dielectric unions where piping of dissimilar metals are joined.

8.3.7 Install strainers on the supply side of each control valve, pressure reducing valve, pressure regulating valve, solenoid valve, and elsewhere as indicated.

8.3.8 Painting: Cleaning and painting of exposed outdoor gas piping as specified.

8.3.9 Final color per General Contractor. (Yellow)

8.3.10 Install transition fittings per manufacturer’s installation instructions where gas pipe routes from above grade to below grade.

8.3.11 Install underground LPG piping in a trench with bedding and cover per the manufacturer’s installation instructions with minimum cover of 18”. Provide non-adhesive 4mil thick type tape with 18 AWG copper tracer wire suitable for detection up to 3’-0” of burial.

9.0 LPG TANK

Coordinate with State designated representative to provide LPG tank(s) 1,000 gallons capacity each for the State’s use.

9.1 ELECTRICAL BONDING AND GROUNDING

9.1.1 Install above ground portions of gas piping systems, upstream from equipment shutoff valves electrically continuous and bonded to a grounding electrode in accordance with NFPA 70 - "National Electrical Code."

9.1.2 Do not use gas piping as a grounding electrode.

9.1.3 Conform to NFPA 70 - "National Electrical Code," for electrical connections between wiring and electrically operated control devices.

9.1.4 Conform to the current Motorola R-56 grounding and bonding standard

9.2 FIELD QUALITY CONTROL

9.2.1 Piping Tests: Inspect, test, and purge LPG systems in accordance with NFPA 54, and LPG supplier requirements.