WPC 2QBVROZ!|d 5f@8,?f\  P6G;?P"m+^8AM``AAA`k2A26``````````66kkkTwkAIwkkwwA6AX`AT`T`TA``66`6````AI6````T\&\hA2hXAAA2AAAAAAAA`6TTTTT}TwTwTwTwTA6A6A6A6``````````T`^```k`TTTTTTTywTwTwTwT````````A6A6A6A6kI`w6wMw6wAw6`q````AAAkIkIkIkIwQw6w6```````wTwTwT`w6`AkIw6``y``2``@#@WddddddddddddddddddddddddddddddddddddddddNEssEX`AT`````6=`:=`:AATT`BBs``uEssErkkAT`:"`soh`kss`HP LaserJet 4HPLAS4.PRS 4?f\  P6G;\*"P?P2r Z$  X` hp x (#%'0*,.8135@8:, P age,  s5J  F ooter, B , E dit. Delete the "Project Name (ftr B)" text and replace  s5 it with the name of the project (bolded) . , until you arrive at the document text.(# D.The Guide Specifications are being reviewed and revised. Your technical comments on any guide spec would be greatly appreciated. Also, any specs that are written "from scratch" that would benefit others could be sent to either Dion Dishong or Lori Quayle, RS110.(#  s5+  DRAWING DATA REQUIRED: Location and detail drawings as needed.  s4z  REVISIONS OF THIS SECTION:  r5!  CSI format, editorial changes: 3/97 Metric: Technical Update: 3/97 POINT OF CONTACT: Vern Reeves Phone: (303) 23695180*(( XM s4 #d `7#`d(#ATESTING OF PIPING SYSTEMS Project Name (ftr B)` (#T[3/97] .02518   b-SECTION 02518 'TESTING OF PIPING SYSTEMS PART 1: GENERAL 1.1SUMMARY(# A.Section Includes: Testing [water,] [systems (buried and aboveground)] [pressure sewer,] [gravity sewer,] [systems] [natural-gas,] [liquefiedpetroleum gas] [systems buried and above ground.] [compressed air,] [heating,] [cooling,] [and] [refrigeration] [system] [lines.](# B.Related Sections:(# ************************************************** DELETE EITHER 01009 OR 01010. EITHER SECTION 01330 OR 01458 MUST BE USED WHEN 01010 IS USED. ************************************************** General Information and Requirements(#`(#MSection 01009 Summary of Work(#`(#MSection 01010 Trenching(#`(#MSection 02321 PART 2: PRODUCTS 2.1MATERIALS(# A.Testing Water: Shall be suitable for drinking unless otherwise approved in writing by the Contracting Officer before use.(# 2.2EQUIPMENT(# A.Requirements: Pressure gauges used shall be graduated in increments not greater than 5 pounds per square inch and shall have a range of approximately twice the test pressure. Use gauges and instruments which have been calibrated within [ ].(#  PART 3: EXECUTION 3.1GENERAL(# A.Testing: Conduct the performance and acceptance tests of the piping systems. Furnish necessary equipment, labor, and materials to conduct the testing. Testing shall be conducted in the presence of the Contracting Officer.(# B.Notification: Notify the Contracting Officer at least [ ] hours prior to testing.(# C.Procedure: Prior to testing, remove from the systems, equipment which would be damaged by the test pressure. Ensure thrust blocks have sufficiently hardened. Replace removed equipment after testing. Systems may be tested in sections as work progresses; however, previously tested portions shall become a part of the later test of the composite system. [If water enters the trench when pressure testing with water, locate the leak in the line. If the leak cannot be located, dewater the trench or air-test the line. When the line has been repaired, repeat the [2]hour water test.] Repair leaks. Test time will be accrued only while full test pressure is exerted or}&0*s's' subjected on the system. Prepare and brace the line according to the manufacturer's instructions. Maintain trenches according to OSHA 2207 and Section 02321 Trenching, until testing and pipe repair is completed.(# D.Backfilling: Complete testing and secure approval of Contracting Officer prior to backfilling or concealing lines. Backfilling shall be according to Section 02229 Trenching.(# 3.2WATER LINES(# A.Filling Water Line: Fill line with water and eliminate air in the line. Do not fill the pipeline at a velocity greater than 1 foot per second.(# B.Test Pressure: After the pipeline and appurtenances [, except troughs and tanks,] are in place, fill with water and subject to the test. Maintain pressure of [150 percent] of maximum anticipated operating pressure or the maximum working pressure of the pipe, whichever is less, on the section being tested, for a minimum period of [2 hrs]. Fill the section with water for a period of at least [24 hrs]. After repairing leaks, test as previously described for 24 consecutive hrs. The pipeline shall show no loss or leaks. Maintain pressure by either hydraulic or pneumatic means.(# C.Leakage: [Maximum leakage during the test shall not exceed 1 gallon per inch of pipe diameter, per 1,000 feet of pipe.] [Maximum leakage during the 2hour test shall not exceed 2 gallons per inch of pipe diameter, per mile of pipe.] Visible leakage, other than a minor amount of sweating, shall require immediate stoppage of the test and tightening of the pipe joints so when pressure is again applied to the system, there shall be no leakage. Do not use paints, asphalts, tars, or other types of pipe compounds to eliminate leaks. Replace leaking valves, fittings, nipples, or lengths of pipes.(# 3.3PRESSURE SEWER LINES(# A.Filling Sewer Line: Fill line with water and eliminate air. Do not fill the sewer line at a velocity greater than 1 foot per second.(# B.Test Pressure: After the sewer line and appurtenances are in place, fill with water and subject to the operating pressure or 10 feet of static head, whichever is greater, for a 2hour period. After repairing leaks, test as previously described for 24consecutive hours. The sewer line shall show no loss or leaks. Maintain pressure by either hydraulic or pneumatic means.(# C.Leakage: [Maximum leakage during the test shall not exceed 1 gallon per inch of pipe diameter, per 1,000 feet of pipe.] [Maximum leakage during the 2 hr test shall not exceed 2 gallons per inch of pipe diameter, per mile of pipe.] Visible leakage, other than a minor amount of sweating, shall require immediate stoppage of the test and tightening of the pipe joints so when pressure is again applied to the system, there shall be no leakage. Do not use paints, asphalts, tars, or other types of pipe compounds to eliminate leaks. Replace leaking valves, fittings, nipples, or lengths of pipes.(# 3.4GRAVITY SEWER OR DRAIN LINES AND VENT LINES(# %0*s's'ԌA.General: Perform water or airleakage tests as specified below. Where ground water is encountered, make infiltration tests as specified below. A finished plumbing test, as indicated below, shall be performed on building gravity sewer lines, drain lines, and vent systems.(# B.Tests for Lines Located Inside Buildings and Within 2 Feet of the Building Perimeter:(# 1.` ` Water Test: The water test shall be applied to the drainage system either in its entirety or in sections. If applied to the entire system, openings in the piping shall be tightly closed, except the highest opening. The system shall be filled with water to the point of overflow. If the system is tested in sections, each opening shall be tightly plugged except the highest opening of the section under test. Each section shall be filled with water, but no section shall be tested with less than a 10foot head of water. In testing successive sections, at least the upper 10 feet of the nextpreceding section shall be tested, so that no joint or pipe in the building (except the uppermost 10 feet of the system) shall have been subjected to a test of less than a 10foot head of water. The water shall remain in the system, or in the portion under test, for at least 15 min before inspection starts. The system shall not leak. The test-water level shall be maintained to within 6 inches during the test period.(#` 2.` ` Air Test: The air test shall be made by attaching an air-compressor testing apparatus to a suitable opening. After closing other inlets and outlets to the system, force air into the system until there is a uniform gauge pressure of 5 pounds per square inch, or sufficient pressure to balance a column of mercury 10 inches in height. This pressure shall be maintained without introduction of additional air for at least 15 minutes.(#` 3.` ` Finished Plumbing: After the plumbing fixtures have been installed and the traps filled with water, the connections shall be tested and proved watertight. This test shall consist of flushing water closets [, urinals] and discharging full fixtures through the system.(#` C.Tests for Lines Located Outside of Buildings and Beyond 2 Feet of Building Perimeter:(# 1.` ` Exfiltration Test: Make leakage test upon the completion of each pipe section between manholes by closing the lower end of the section to be tested and the inlet sewer of the upper manhole with stoppers. Fill the pipe and manhole, or standpipe, if manhole is not in place, with water to a point 7 feet above the invert of the open sewer in the upper manhole. Maximumallowable leakage shall not exceed 100 gallons per 24hour day, per inch of diameter, per mile of sewer being tested. Minimum duration of this test shall be 24 hrs. Overhaul when leakage in excess of this amount is detected before completion and acceptance of the sewer. When necessary, re-lay the sewer until the leakage is reduced to a quantity within the specified amount. When the leakage is less than the specified amount, check, repair, and stop visible leaks. The test-water level shall be maintained to within 6 inches during the period of the test. (#` 2.` ` Infiltration Test: Make infiltration tests in areas where ground water is encountered. These tests shall be made upon the completion of each section between manholes by closing the end of the sewer at the upper manhole to prevent the entrance of water. Infiltration shall not exceed 100 gallons per 24 hour day, per inch of diameter, per mile of sewer being tested. Minimum}&0*s's' duration of this test shall be 24 hours. Where infiltration in excess of this amount is detected before completion and acceptance of the sewer, uncover the sewer and reduce the amount of the infiltration to a quantity within the specified amount. If the infiltration is less than the specified amount, check, repair, and stop visible leaks.(#` 3.` ` Air Testing: The minimum time requirements for air testing for the pressure drop, from 3.5 to 2.5 psig, shall not be less than shown below:(#` ` ` Nominal Pipe Size (Inches)@ 49Time(# ` ` @ @  4 !&+042 min 0 (# ` ` @ @  6 !&+042 min 15 (# ` ` @ @  8 !&+043 min 57 (# ` ` @ @ 10 !&+044 min 43 (# ` ` @ @ 12 !&+045 min 40 (# Should a test on sections of pipeline exceed an air loss rate greater than that permitted, locate and repair the defective joints or pipes and retest until the air loss rate is within the specified allowance as shown in the table above.(# 4.Light Test: Light held in pipe at one manhole shall be visible from next manhole as a full circle of light.(# 3.5[NATURAL-GAS LINES] [LIQUEFIEDPETROLEUM GAS LINES](# A.Filling [Natural-Gas] [LiquefiedPetroleum Gas] Lines: After [natural-gas] [liquefiedpetroleum gas] piping has been installed and before fixtures, appliances or shutoff valves have been attached thereto, test using air pressure only.(# B.Test Pressure: For other than welded piping and for pipe carrying gas at pressures less than 14 inches of water column pressure (1/2 pounds per square inch), the air test shall be made by pressurizing the system to a uniform gauge pressure of 10 pounds per square inch, or sufficient to balance a column of mercury 20 inches in height. With the written approval of the Contracting Officer, the system may be tested at a gauge pressure of 3 pounds per square inch or sufficient pressure to balance a column of mercury 6 inches in height. Test pressures shall be maintained for a time as determined by the Contracting Officer, but in no case for a period of less than 15 min, with no perceptible drop in pressure. For welded pipe and for pipe carrying gas at pressures in excess of 14 inches of water column pressure, the test pressure shall be greater than 60 pounds per square inch, and such pressure shall be maintained for a time as determined by the Contracting Officer, but in no case for a period of less than 30 min, with no perceptible drop in pressure. (# C.Leakage: Leaks in [natural-gas] [liquefiedpetroleum gas] piping shall be detected by applying soapy water to the exterior of the piping. Fire or acid shall not be used to locate or repair leaks, nor shall a substance other than air be introduced into the gas piping. Defects in gas piping or fittings shall be repaired. The defective pipe or fitting shall be removed and replaced with sound material.(# 3.6COMPRESSEDAIR PIPING(# A.Filling Air Line: After compressedair piping has been installed and before fixtures, appliances, or shutoff valves have been attached thereto, test using air or nitrogen.(#}&0*s's'ԌB.Test Pressure: Maintain a pressure of [150] percent of maximumanticipated operating pressure or the maximum working pressure of the pipe, whichever is less, on the portion being tested for a minimum period of 2 hrs. Disconnect the pressure source from the piping being tested. Allow time for piping temperature to stabilize to ambient temperature. (# C.Leakage: The pressure shall not drop more than 5 percent during a 2hour period following temperature stabilization.(# 3.7HEATING OR COOLING SYSTEM PIPING(# A.Filling Piping: After the heating or cooling system piping has been installed and before fixtures, appliances, or shutoff valves have been attached thereto, test using water.(# B.Test Pressure: Piping shall be tested with a hydrostatic pressure of not less than 100 psig, but at least 50 psig greater than the system operating pressure. This pressure must be maintained for a minimum of 30 min. No pressure test shall be less than the lowest setting of pressurerelief devices installed on the side of the system it is protecting.(# C.Leakage Rate: There shall be no leakage.(# 3.8REFRIGERATION SYSTEM PIPING(# A.Tests: Piping shall be tested according to the applicable portions of the Uniform Mechanical Code. Equipment and materials certified as having been successfully tested by the manufacturer according to referenced specifications and standards will not require retesting before installation. Equipment and materials not tested at the place of manufacture shall be tested before or after installation, as applicable, where necessary, to determine compliance with referenced specifications and standards.(# B.Leak Testing: Upon completion of installation of the airconditioning equipment, factory and field-installed refrigerant piping shall be tested with an electronic type leak detector. The type of refrigerant to be used in the system shall be used for leak testing. When nitrogen is used to boost the system pressure for testing, insure that the nitrogen is completely eliminated from the system before charging. The minimum refrigerantleak field test pressure shall be as specified in ASHRAE 15, except that the test pressure shall not exceed 150 psig in hermetic equipment nameplate. When leaks are detected at time of installation or during the warranty period, remove the entire refrigerant charge from the system, correct the leaks, and retest the system. Preserve the cleanliness of the system and prevent scale and acid formation during repair of leaks.(# C.Evacuation and Charging: After the refrigerant system is found to be leakproof or after leaks have been found and repaired, evacuate the system according to the equipment manufacturer's printed instructions. The hermetic compressor in the system being installed shall not be used to evacuate the system. Evacuation shall be done from both sides of the system, simultaneously, and with the largest diameter connecting tubing that is possible or practical. Charge the system according to the equipment manufacturer's printed instructions. Use proper procedures for purging charging lines of air before admitting refrigerant into the system.(#}&0*s's'ԌٙPART 4: MEASUREMENT AND PAYMENT 4.1METHOD OF MEASUREMENT(# A.Units: The work described in this section will [not be measured for payment.] [be measured and paid for on a lump sum basis.](# 4.2BASIS OF PAYMENT(# A.Payment: [No direct payment for the work described under this section will be made. Consideration for this item shall be included in the bid price for other items of the Contract.] [Prices and payment will be full compensation for the work described in this section. Payment will be made under:](# Pay Item@ @  +0Pay Unit(# 02518(01) Testing of Water Lines(#p (#RLump Sum 02518(10) Testing of Sewer Lines(#p (#RLump Sum 02518(20) Testing of NaturalGas Lines(#p (#RLump Sum 02518(30) Testing of LiquefiedPetroleum Gas Lines(#p (#RLump Sum 02518(40) Testing of CompressedAir Lines(#p (#RLump Sum 02518(50) Testing of Heating or Cooling Lines(#p (#RLump Sum 02518(60) Testing of Refrigeration Lines(#p (#RLump Sum 0,END OF SECTION