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MODEL MODEL DWT-2P(6)6000 DWT-2P(6)6000 With Standard With 301/2" 301/2" Fittings Standard i Fittings 2Th" -271/2" Shown 27'h,�--47" 47" ,_271/2^ Shown � I � 10 10" o T 8'D 2.9" 62h^ .. .. - .. .. i 7'8,D 7 111/4"0D 1 - _I I 7'n,�l.OD --1 — 4-10- 10,1" 4 10"- 6----�--4'1p" 19"9" 25.9" MODEL MODEL DWT-2P(6)10000 With DWT-2P(6)12000 Standard With Fittings Standard 7.4^ 714" Shown Fittings 2Th" i33"j --271/2" 27h^r, 10'1"- 33" 10'1" -i27�h"Shown � 10 1 _ 70" 38 T9•D 6'5"- L7'8-1-4 ►.e 211," 00 .. .. 01) I I 4'10. 3"�-4'7" 8'3"---t4'10'_ -4'10"-8'3"--10,1"-8 30'9" 36'3" MODEL MODEL DWT-2P(10)15000 With DWT 2P(10)20000 Standard With Fittings Standard 23" Fittings - 417'/2 4'7Y2' Shown Shown 271/2271/2" 2752-- 8 3 -� 271h" 2" X12. W 710' T 1 ' 10'6'/" 4 2 70 0 D'p"D 10,8,1 .. .. .. 10 411,"I OD 10'41/2'00 - - Lj - {- 7'2" 5'6' -9"" 5'6"�- 7'2" - 7'2" 4-5'6"�47"+3'9"--47"+5.6"-+ 7'2" 29'138'3" Standard Tank Notes 1. Standard pipe fittings to the primary 5. In addition to the monitoring fitting automatically vent the monitoring tank are 4" NPT half couplings. All located in the Fiberglas reservoir, cavity. fittings to the primary tank are located tanks 1,000 gallon capacity andb) Liquid sensors—when normally on the manway covers. Additional larger include additional monitoring "dry"cavity monitors(which detect manways are available on made-to- fittings(4" NPT) located at the tank the presence of a liquid)are used, order tanks. top. See the tank specifications for the cavity between the inner and the number of monitoring fittings for outer tank may 2. Tank bottom deflector plates are each tank size. to the atmospherebether vented either sealed. standard under each manway. 6. Anchoring strap locations are c) Vacuum monitoring—when 3. Bumper pads are standard on all indicated by arrows on the side vacuum monitoring is used, the of the tank. g tanks 6'diameter and larger. The maximum vacuum is 3" mercury pads provide added protection to 7. Monitoring capabilities—the following (1.5 psi maximum). the tank prior to installation. restrictions apply for the various types r of double-wall tank monitors: d) Positive air pressure monitoring- 4. All Model "P" tanks include a when positive air pressure moni- Fiberglas reservoir, used for leak a) Hydrostatic Tank Monitor—tank toring is used, the maximum air monitoring, integrally constructed to burial depth must not exceed 7' pressure is 3 psi. the tank top. The reservoir includes from tank top to finish grade. e) Gasoline vapor sensors—when one 4" NPT half coupling fitting The monitoring cavity must be gasoline vapor sensors are used; mounted on the top of the reservoir vented to the atmosphere. The the cavity between the inner and allowing access to the cavity between optional reservoir tensor, supplied outer tank may be either vented the inner and outer tank walls. by Owens-Corning, is designed to to the atmosphere or sealed.