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4,74004.01.41,e
4.1.9 The CONTRACTOR shall paint all above ground piping as appropriate for UV protection, 4.6.6 Hose clamps(used in conjunction with hose barb fittings)shall be roll-over,center punch cure before asphalt placement, and shall be applied on surfaces that can be covered S C
where required by code and to identify potential hazards(i.e.;overhead piping,potential (banded)or T-Bar type clamps. Worm gear hose clamps shall not be used. with an asphalt mixture during the same day_ d,
trip hazard). When painting piping is applicable,the fallowing schedule shall be fused: Z
"grey-soil vapor","blue-treated water","yellow—gas supply",'air lines—not painted'. 4.7 Pressure Testing 5.3.5 The asphalt mix shall be compacted immediately after placement Initial compaction orb
shall be accomplished using a steel wheel tandem roller,steel three-wheeled roller,or 'A'
4.1.10 The CONTRACTOR shall label all above ground piping with indelible or permanent 4.7.1 All process piping shall be pressure tested according to local specifications and witnessed vibratoryroller. As needed, intermediate rollingwith a pneumatic tire roller shall be 0 5i
marking indicating the contents of the pipe(i.e., "groundwater,""vapor,"or-treated water", by an ENGINEER or an approved representative. No testing will be conducted through done immediately behind the initial rolling. In areas too small for the roller compactor,a irlaID7
compressed air,gas,electric)and the flow direction. instruments or equipment vibrating plate compactor or hand tamper shall be used to achieve the required
4.7.2 All PVC lines used for vacuum will he tested at 5poundsper square inch(PSI)ofpressure
compaction. NOTE: The CONTRACTOR shall be responsible for preventing traffic 08/15/16
4.1.11 The CONTRACTOR shall make all wellhead connections as shown in the design plans. q loads on newly asphalted surfaces until it has sufficiently cooled to support traffic,
and held for an hour. If a pressure drop of more than 1 PSI is observed during the hour,
4.1.12 The piping materials shall be specified by the ENGINEER in the design plans. Any the line will be inspected and repaired as necessary prior to retesting the line. 5.3.6 The CONTRACTOR shall return to the site after one week and apply asphalt joint
conflicts or questions concerning pipe material compatibility, as discovered by the sealer to all asphalt joints.
CONTRACTOR,shall be immediately brought to the attention of the ENGINEER. 4.7.3 All PVC lines used for water will be tested at 5 PSI for a period of 60 minutes_ If a leak is
observed during the testing time or a pressure drop of more than 1 PSI is noted, the line 6.0 Portland Cement Concrete Pavement
4.1.13 The use of dissimilar metals and alloys in direct contact with each other is prohibited on all will be inspected and repaired as necessary prior to retesting the line
pipe lines containing liquids due to the potential for galvanic corrosion. Where dissimilar 6.1 General
metals must be joined,di-electric unions or couplers shall be used. 4.7.4 All ABS lines used for compressed air will be tested at 103 PSI for a period of 50 minutes.
If a pressure drop of more than 1 PSI is observed during the testing time,the line will be 6.1.1 Finished concrete surfaces shall be true and even with the existing grade (1)+4 inch
4.1.14 All underground piping shall be identified using tracer wire and metallic tape placed above inspected and repaired as necessary prior to retesting the line. A curing time(minimum of maximum over 10 feet straight edge). The surface grade and finish must match the
the piping at the top of the bedding material above the piping. Tracer wire terminals will be 24 hours or per the material manufacturer,whichever is the largest),will be followed prior surrounding area. The finished concrete shall be free of voids, mounds, ridges,
tagged and identified in the equipment compound,at junction boxes,and well boxes. to beginning any testing on the ABS lines. Only threaded fittings to be used on the ABS depressions, cracks, or other irregularities. Any concrete determined to be
pipe and transition fittings are to be metal reinforced. substandard shall be removed and replaced at no cost to CEMC or the ENGINEER.
4.1.15 The CONTRACTOR shall ensure that all foreign materials have been removed from the
underground piping following installation and before backfilling. 5.0 Asphalt Pavement 6.1.2 Concrete restoration shall only occur along vertical forms or saw cut walls. When
possible,saw cuts shall fallow existing joints and the layout existing concrete surface
4.2 Polyvinyl Chloride(PVC)Pipe Specifications 5.1 General patterns. Newly placed concrete pavement shall be protected from vehicular and
p4.2.1 All underground PVC process piping shall be Schedule 40 (unless noted otherwise in 5.1.1 Hot mix Asphalt Concrete shall not be used to restore asphalt surfaces affected by replacement
t of theuhe/it is concretesutebly cured. The CONTRACTOR shall be documentsrial for
design drawings). All aboveground PVCprocess piping shall be Schedule 60 (unless construction activities. EXCEPTION: Asphalt coldpatch maybe used as a temporary seplafeaent of pavement not meeting design and/or
gg p p n9 p P ry specihcatiens.
noted otherwise in design drawings or required by applicable codes). surface for small pavement patches (not to exceed 3 feet by 3 feet) during site
construction activities_ Temporary asphalt patch must be removed prior to or during final 6.1.3 Concrete shall he thoroughly mixed to assure uniform mixture of components within the
4.2.2 All pipe joints are to be glued using PVC primer and PVC solvent cement. Connections to site restoration activities. mass.
other type of pipes are to be by flange or male/female adapters specifically designed for a
transition from PVC pipe to a specific type of pipe(i.e.,galvanized steel,copper). 5.1.2 Asphalt driveways, parking strips,or other areas designed for vehicular and pedestrian 6.2 Concrete Materials
traffic shall be restored to match existing grades.
4.2.3 PVC pipe shall not be used for above ground or underground compressed air service,or 6.2.1 Portland Cement shall conform to ASTM C-150 Type 11_
for high temperature applications,such as blower discharge piping_ 5.1.3 The CONTRACTOR shall assure that the sub-grade has been properly prepared_ No
asphalt shall be installed on saturated, soft or pumping sail, frozen soil, ice, snow, or 6-2.2 Fine and Coarse Aggregates for normal weight concrete shall conform to ASTM C-33
4.3 Galvanized Pipe Specifications standing water. and shall conform to the appropriate ASTM grading requirement.Aggregates shall be
4.3.1 Galvanizedpipe shall be schedule 40 hot-0i galvanized(HOG)steelper ASTM A53. clean, hard and uniformly graded sand. crushed rock or gravel,free from loam, clay or
p ( ] p 5.1.4 Finished surfaces shall be smooth with uniform texture and be free of voids, mounds, organic matter.Sound aggregate shall be used and shall have a maximum diameter 01
4.3.2 Galvanized pipe not he used to convey soil vapor. Use of pipe to ridges, depressions, cracks, roller marks, pits. or other irregularities (1/4 inch maximum 1.5-inches_
lvanioxidizer shallanot h sed tomay increase va r. of fgalvanized the picape prior coo over 10 feet straight edge). Edges shall be capped over and straight. Restored pavement
material_catalyticOxidierr abatement
t systemsshould be consulted for riskappropriatepipingpoisoning materialeuse priorcto surfaces not meeting these requirements will be replaced at the CONTRACTOR's 6.2.3 Water shall be potable and free of acids,alkalis,and organic materials.
expense.
installing the oxidizer. 6.2.4 The concrete mix shall pass a compressive strength test of 2,500 psi after 28 days_ In
4.4 ABS Compressed Air Pipe Specifications 5.2 Asphalt Concrete Materials certain localities.3,000 psi compressive strength concrete is required by seismic code.
4.4.1 ABS pipe and fittings shall be QuraplusTM or equivalent and capable of withstanding 5.2.1 Asphalt Concrete shall be a high-quality,controlled hot mixture of asphalt and well-graded 6.2.5 The concrete mix shall have a minimum slump of 3-inches and a maximum slump of 4-
continuouspeworking pressures greater than 100 psi. quality aggregate, and compacted into a uniformly dense mass. The paving materials inches.
shall conform to ASTM specification 03515.
4.4.2 ABS-compressed air fittings shall be the socket type,designed for solvent welding. 6.2.6 The CONTRACTOR shall specify the concrete mix,and provide a copy of the concrete
5.2.2 A tack coat bonding agent shall be applied between asphalt layers, between layers of specifications for approval from CEMC and the ENGINEER prior to placement, i1
• Fittings shall be designed and manufactured to withstand the continuous pressures concrete or slurry and the asphalt, and between cut edges of existing asphalt to bond to requested. The number of bags of cement per yard.compressive strength,volume o1
applicable to the maximum pressure rating of the pipe_ the new asphalt to the old surface. The tack coat material shall meet the specifications in water,slump,type and weight of fine and coarse aggregates, and type and amount o1
ASTM 0977 or D2397 and be grades 38-1,5S-1n.CSS-1, or CSS-111. The asphalt tack admixtures shall be addressed in the specification. Chevron
• The solvent cement shall be ABS solvent cement and designed to withstand coat shall be a diluted emulsified asphalt mixture of equal parts emulsion and clean water.
8.3 Reinforcing Steel
Continuous pressures up to 185 psi at 73°F. 5.2.3 The aggregate used for the base course and surface mixture shall be crushed stone, ik01
4.4.3 When transitioning from ABS to non-ABS piping material,the CONTRACTOR shall ensure gravel,stone or slag screenings,sand,mineral filler,ora combination of these materials. 6.3.1 Transverse reinforcing steel dowels shall be a Number 4(#4,1/2 inch diameter)Grade
appropriate transition fittings are used. Uncrushed coarse aggregate may be used in base course mixtures only. 60 rebar(minimum),spaced no more than 18-inches on center along the entire length
the trench. The reinforcing steel dowels shall be embedded at least 4-inches into the
4,5 Stainless Steel Pipe Specifications • Coarse and fine aggregate shall conform to ASTM 0692 and ASTM 01073. existing concrete at mid-height and secured in place using non-shrink epoxy to anchor
the steel rebar in place %I.1
4.5.1 Stainless Steel pipe shall consist of Type 304 or 316 for construction unless specified in • Mineral filler shall conform to ASTM 0242.
the design plans or on approval by the ENGI NEER. All concrete reinforcement shall be as follows:
• If approved for use by Chevron, slag shall be blast furnace, air cooled slag that is not (SHEET 3 OF 10)
4.5.2 All connections shall be made using stainless steel flange connections with Buna-N less than 70 pounds per cubic root in mass. • No.4 bars and larger
gaskets and NPT threaded connections. Use of stainless steel unions shall not be used. REV DATE DESCRIPTION DRAWN REVIEW
5.2.4 The liquid asphalt used shall conform to ASTM 03381 and 0946, and shall be the • Welded Wire Fabric(Unless required by local authority or with the approval of the PREPARED By REVIEWED BY
4.5.3 All threaded connections shall be made using pipe thread sealant tape specifically made appropriate grade for the ambient mean annual temperature conditions. CEMC project manager, welded wire fabric (WWF) or mesh shall not be used to T.ATKINSON T.ATKINSON
For use with stainless steel pipe and should contain nickel. reinforce trenches in traffic areas_ DATE 5/5/16 DATE
5/5/16
5.3 Asp halt Concrete Pavement Construction
4.6 Flexible Hoses/Tubing 6.3.2 All bars should be clean of rust,grease or other materials likely to impair bond. DRAWING G- B
5.3.1 Prior to placing new asphalt adjacent to existing pavement,the CONTRACTOR shall saw-
4.6.1 Flexible hoses and tubing shall be rated for chemical compatibility. and the operating cut a clean,straight edge along the existing pavement,and apply tack coat to the vertical 6.3.3 All bends shall be made cold.
pressures and temperatures at which they will be used_ cut surface. All saw cut debris shall be removed from the trench prior to laying the new SPECIFICATIONS
pavement. 6.3.4 Splicing of bars shall have a minimum 1'6" lap of 1-6" in all concrete cases unless SHEET
4.6.2 Connections to fittings and components shall be with hose barbs and clamps,cam-locks dimensioned otherwise on details.
with locking clips,or compression fittings_ When applicable,the CONTRACTOR shall not 5.3.2 The temperature of the asphalt mixture shall not exceed 325°F when discharged from the
use plastic cam-locks. spreader. Initial compaction shall be performed when the temperature of the mixture is 6.3.5 All reinforcing bars shall be accurately and securely placed before pouring concrete or FORMER CHEVRON FACILITY#9-0499
estimated to be less than 250°F. Final compaction shall begin with the asphalt as hot as applying grout and supported off the ground using steel or plastic cradles. 934 SOUTH FRONTAGE ROAD
4.6.3 All air quick connects and safety release valves will be installed per manufacturer possible,but not less than 150°F. 6.3.6 Spacing of bars shall be considered as maximum spacing. VAIL,COLORADO
specifications and recommendations.
5.3.3 The asphalt mixture shall be placed in lifts and compacted to a maximum nominal 6.3.7 Non-shrink epoxy materials shall be a 100 percent solids,high-modulus,non-slag gel.
4.6.4 Underground hose shall be placed in PVC conduits and shall have no greater than 360- thickness of 2 inches until the new asphalt surface match the existing surface. The
degrees in total turns between access points or joined in a junction box. asphalt shall be compacted to a minimum of 96 percent of the reference density. 6.3.8 Longitudinal reinforcing steel shall be#4 rebar(unless otherwise specified in the design
4.6.5 All underground splices and connections shall occur in a junction box or well box. No hose 5.3.4 A tack coat of 0.15 gallon per square yard of diluted emulsified asphalt shall be applied plans)and securely attached to all transverse reinforcing steel dowels using wire-ties or I e l d os
connections are to be located in conduits. between the base coarse surface and asphalt pavement. All vertical surfaces,which will approved equivalent.
contact the new asphalt paving, shall he tack coated_ The tack coat shall be allowed to
PROJECT NUMBER FILE NAME DRAWING NO.
9-0499 9-0499 G-1B