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Wood Tank Construction Specifications
English Version


AK Wood Tank Specifications

Baseboards:
1"x8" Radiata Pine Wood treated to T.P.A.H.4.

   Shingles:
1"x8" Radiata Pine "Weatherboard" with bandsawn outside face treated to T.P.A.H.3.		   Liners:
Food grade PVC 20 mil.
Polyethylene 20 mil.
Polypropylene
         
Staves:
2"x4" or 1 1/2"x4" single tongue and groove, bandsawn outside face, machined inside face and cut to length prior to treatment to T.P.A.H.4.		   Cables:
1/4" and 3/8" dia. 1/19 LHOL 160 Grade galvanized steel strand.
Minimum breaking loads 6,879 and 15,543 pounds.		   OPTION
Platform:
Decking 1"x8" Radiata Pine Wood treated T.P.A.H.4.
Joists 2"x4" Radiata Pine treated T.P.A.H.4.
Bearers Double 2"x6" Radiata Pine treated T.P.A.H.4.
No posts supplied.
       
Rafters:
2"x4" or 2"x6" Radiata Pine Wood treated to T.P.A.H.3. 		  Grips:
TimberTank special self-tightening cable grips hot dip galvanized.		  

AT Wood Tank Specifications

Baseboards:
1"x8" Radiata Pine Wood treated to T.P.A.H.4.

   Shingles:
1"x8" Radiata Pine "Weatherboard" with bandsawn outside face treated to T.P.A.H.3.		  

Liners:
Food grade PVC 20 mil.
Polyethylene 20 & 30 mil.
Bituthene 3000
Note: Polythene and Copolymer have proved unsatisfactory materials for liner membranes.

OPTION
Platforms are available for all tanks.
       
Staves:
2"x6" or 1 1/2"x6" single tongue and groove, bandsawn, outside face, machined inside face and cut to length prior to treatment to T.P.A.H.4.		   Cables:
3/8 dia, 1/9 LHOL 160 Grade galvanized steel strand.
Minimum breaking load 6,879 pounds.		  
       
Rafters:
2"x6" or 2"x8" Radiata Pine treated to T.P.A.H.3 after machining.		      

AR Wood Reservoir Specifications

Footing:
Concrete Footing Ring beam 3'-0" x 3" unreinforced concrete, 3000 P.S.I.

   Shingles:
1"x8" Radiata Pine Wood "Weatherboard" with bandsawn outside face treated to T.P.A.H.3.
     
Staves:
2"x6" or 3"x6" Radiata Pine Wood, double tongue and groove. Bandsawn outside face, machined inside face and cut to length prior to treatment to T.P.A.H.4.		   Cables:
40,000 to 160,000 gallons Reservoir 1/2" or 5/8" Dia. LHOL 145 Grade galvanized steel strand. Minimum breaking load 40,786 pounds to 53,352 pounds.
     
Rafters:
22' tank diameter rafters are 2"x8" Radiata Pine Wood.
28' tank diameter rafters are 2"x10" Radiata Pine Wood. Longer rafters Plywood "I" beam, finger jointed Radiata Pine top and bottom chord dimensions dependent on span of rafter. 1/2" or 5/8" plywood web. All roof timber treated to T.P.A.H.3.		   Liners:
40 mil AWWA & NSF Standard.
Various based on application.

 

 
  
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