Double tank chlorination system at pump house no. II, III, IV respectively in different water supply schemes under Barasat II block, Dist. 24 Pgs. (North).

Amount

Dismantling the pipe fittings, joints, specials from existing automatic chlorination system after disconnection of all mechanical and electrical connections for modification works as per direction of E.I.C.

40 X 40 X 6 mm GI Angle, 35 kg for each P/H

25 X 6 mm GI Flat, 10 kg for each P/H

200 ltr. capacity PVC loft water Tank ( Make: Syntex/Patton/ other approved vendor of PHED)

100 ltr. P.V.C. water storage tank of approved quality with closed top cover. (Make: Syntex/Patton/other approved vendor of PHED)

Supply and delivery at site supply, delivery and storage of the following pipe fittings, SCH-80 for each P/H as annexed.

15 mm dia Helifex pipe, 3 mtr or each P/H,

15 mm dia UPVC pipe, 30 mtr for each P/H,

15 mm dia brass threaded PVC Ball valve for 4 nos. for each P/H,

15 mm dia check valve (horizontal) G.M. tested to 21 kg per sq.cm. for 1 no each P/H

15 mm dia G.I. socket 1 no. for each P/H

15 mm dia pipe clip 13 nos. for each P/H

15 mm dia socket 6 nos. for each P/H

15 mm dia plain equal elbow, 14 nos. for each P/H

15 mm dia nipple for 6 nos. for each P/H

15 mm dia brass threaded FTA 3 nos. for each P/H,

15 mm dia MTA, 4 nos. for each P/H,

15 mm dia Tee, 2 nos.for each P/H,

15 mm PVC tank connecting nipple 4 nos. each P/H.

15 mm PVC Union 6 nos. for each P/H

25 mm dia UPVC pipe 2 mtr. for each P/H

25 mm 90 degree elbow 3 nos. for each P/H

25 mm PVC union 1 no. for each P/H

25 mm PVC Tank connecting nipple, 1 no. each P/H

25 mm dia brass threaded PVC ball valve, 1 no. each P/H

25 mm dia pipe clip 5 nos. for each P/H

Painting with ready mixed red lead paint of approved make and brand : Two coat.

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary: On steel or other metal surface: with super gloss (Higloss)- Two coats (with any shade except white)

40 mm G.I. pipes for ISI make including necessary sockets.

Labour for fitting, fixing and laying departmentally supply 1/2 " heliflex pipe through 40 mm G.I. pipes for underground work including cost of jointing materials, cutting pipes, making thread etc. complete in all respect including cutting trenches upto 1.5 mtr. below surface in all sorts of soil and refilling the same as directed with two coats of painting to G.I. pipes and special with bituminus paint. (payment will be made on the centre line measurement of the total pipeline including specials payment of painting to be paid separately.)

Ordinary cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. a) Pakur variety (PWD building SOR, Pg: 24, Sl: 4)

Charges for cutting to requisite shape and length, fabrication of structues as supplied item as in sl. No. 2.00 and 3.00 with necessary bolting , metal arc welding haulage, hoisting and erection all complete. The rate includes the cost of consumable such as electrodes, gas and hire charge of all tools and paints and expert welder required for the work including all incidental charges.

Fitting fixing of the pipe fittings as in item no. 6.01 to 6.02 for accurate dosing of chlorine solution as corrective maintenance work at different pupm house including transportationof tools and tackles as per direction of E.I.C.

N.B. : Name of the site where the above work is be executed as follows: 1. Pump House No: BAHIRA - II 2. Pump House No: BAGBAND SAIBERIA- II & III 3. Pump House No: CHAUMUHA- II 4. Pump House No: CHOWLPUR- II 5. Pump House No: DEARA- II 6. Pump House No: DONNAGAR-II 7. Pump House No: HUMAIPUR- I, II, & IV 8. Pump House No: MATIAGACHA- II 9. Pump House No: MAHISGADI- II 10. Pump House No: PUTURIA- II & III 11. Pump House No: PALTADANGA- II 12. Pump House No: ROHANDA- II Total 16 Nos. Pump houses

Add: GST @ 18%

Add: Cess @ 1%

ASHUTOSH DAS AND CO. (BID ID -5786813)

BARISAL TRADING COMPANY (BID ID -5786801)