480 ALASKA 2020 SECTION 706
706-2.01 NON -REINFOR CED CONCRETE PIPE. Meet AASHTO M 86.
706-2.02 RE INFORCED CONCRETE PI PE. Meet the following:
Round Pipe AASHTO M 170, “Wall B” Elliptical Pipe AASHTO M 207
706-2.03 PERFORATED CONCRETE PIPE. Meet AASHTO M 175.
706-2.04 DRAIN TILE. Meet AASHTO M 178. When specified, provide integral spacer lugs in the
pipe spigot to provide for an annular opening and self -centering feature.
706-2.05 PVC PIPE FO R WATER AND SANITARY SEWER SYSTEMS. Use Polyvinyl Choloride
(PVC) pipe systems manufactured from a compound that meets ASTM D1784 with a cell classification of 12454B. Ensure the entire pipe system is made of materials with a 150 psi rated working pressure. Use pipe with push on type joints and an exterior size compatible with ductile iron fittings. Meet the following: PVC Pipe ANSI/AWWA C 900 or C905 PVC Fittings ANSI/AWWA C 907 Rubber Gasket ASTM F477 Joints ASTM D3139
706-2.06 PLASTIC PIP E. Non- perforated, semi -rigid, smooth- wall pipe meeting the following:
Polypropylene (PP) Storm and Drainage AASHTO M330, Type S or Type D, Sanitary ASTM F2764 Polyethylene (P E) AASHTO M 294, Type S or Type D Polyvinyl Chloride (PVC) ASTM D2680 Acrylonitrile -Butadiene -Styrene (ABS) ASTM D2680
706-2.07 CORRUGATED POLYETHYLENE PIPE. Meet the following for perforated or
unperforated: Culverts AASHTO M 294, Type S or Type D Underdr ains AASHTO M 252
706-2.08 HDPE PIPE F OR WATER AND SANITARY SEWER SYSTEMS. Use high density
polyethylene (HDPE) pipe and fittings manufactured from a PE 3408 resin that meets ASTM D3350 with a cell classification of 345464C. Ensure the entire system is made of materials with a 150 psi rated working pressure, except material two inch or less in diameter shall have a 200 psi rated working pressure. Join all pipe and fittings by either butt fusion or flanges as per manufacturers recommendation. No mechanical j oints are allowed. Meet the following: HDPE Pipe 2” or less ASTM D2737 HDPE Pipe over 2” ASTM F714 Butt Fusion Fittings ASTM D3261 Flanged joints ASTM D3261 When HDPE pipe is used in arctic applications: 481 ALASKA 2020 1. Protect by using a thaw wire, control system, and power supply designed by an Electrical Engineer, and meeting the requirements of Section 616; except use heating cable consisting of 10 AWG nickel -plated copper bus wires in a self -regulated polymeric core, with a continuous exposure capability of 150 °F;
2.Surround with a minimum of three inch thick polyurethane insulation; and
3.Provide an outer surfacing of 24 gauge galvanized steel or 16 gauge aluminum.
706-2.09 POLYPROPYLE NE PIPE. Meet the following:
Storm AASHTO M330, Type S or Type D, or ASTM F3219 Culvert AASHTO M330, Type S or Type D, or ASTM F3219 Sanitary ASTM F2764 482 ALASKA 2020 SECTION 707 METAL PIPE
707-2.01 CORRUGATED STEEL PIPE, PIPE ARC HES, AND UNDERDRAINS . Meet AASHTO
M 36 for conduits and coupling bands including special sections such as elbows and f lared end sections. Meet the specified sectional dimensions and gages. Furnish shop- formed elliptical pipe where specified. Fabricate pipe using one of the following:
1.Zinc-coated steel meeting AASHTO M 218
2.Aluminum -coated steel meeting AASHTO M 274
3.Aluminu m-zinc alloy coated steel meeting AASHTO M 289
707-2.02 Bituminous Coated Corrugated St Eel Pipe, Pipe Arche S, and
UNDERDRAINS. Meet AASHTO M 190 for conduits and coupling bands. Meet the specified sectional dimensions, gages, and type of bituminous coating. Fully coat coupling bands with bituminous material. Furnish shop- formed elliptical pipe where specified. Use the same gage of steel for special sections, such as elbows and flared end sections, as the conduit to which they are joined. Meet the requirements of AASHTO M 190. Use the type of coating and invert paving specified. Meet the specified minimum size of perforations after coating.
707-2.03 CORRUGATED ALUMINUM ALLOY CULVE RT PIPE AND UNDERDRA INS. Meet
AASHTO M 196.
707-2.04 STRUCTURAL PLATE CULVERTS. Meet the following:
Steel or iron plates AASHTO M 167 Aluminum alloy AASHTO M 219
707-2.05 DUCTILE IRO N PIPE FOR WATER AND SANITARY SEWER. Use ductile iron pipe
and fittings that are bituminous coated, cement mortar lined, have push on type joints, and a 150 psi working pressure. Meet the following: Cement mortar lining ANSI/AWWA C104 Loose Polyethylene Encasement ANSI/AWWA C105 (8 mil when required) Ductile Iron Fittings ANSI/AWWA C110 or C153, and C104 SBR Rubber Gaskets ANSI/AWWA C111 (Push on or mech. joint) Threaded Flange Joints ANSI/AWWA C115 Ductile Iron Pipe ANSI/AWWA C150 and C151 and C104
707-2.06 SERVICE PIPE. Meet the following:
1.Copper Pipe . Cold drawn, seamless, annealed Type “K” with flare fittings meeting ASTM B88.
2.Steel Pipe . Standard weight, Grade B, galvanized, welded or seamless pipe meeting ASTM A53.
707-2.07 GALVANIZED STEEL WATER CONDUIT. Meet the following:
Galvanized Pipe ASTM A53 Galvanized Fittings ASTM A197 galvanized per AASHTO M 232
Source: Alaska Standard Specifications for Highway Construction, 2020 Edition. Pages 508–509 of 584.