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| 1 | Part-A + Part-B |
| 2 | Thorough priming of all the old pump components steel surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc…….PWD.BLDG.SCH -2017 page-200-1(K) A-1(a) |
| 3 | Painting with best quality synthetic enamel paint of approved make and brand on all the old pump components including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : (iv) Two coats (with any shade except white)........PWD.BLDG.SCH -2017 page-201-1(K) A-2(A).b(iv) |
| 4 | Engagement of diver specially for underwater tightening of nuts & bolts of column pipes and bell mouth and diffuser etc. as per direction of EIC for proper lifting of the pumping unit……….Fare rate approved by C.M.E (C ) Dated 27.08.1997 |
| 5 | Supplying, fitting and fixing G.I. pipes of TATA make with all necessaryaccessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately)..........PWD Sanitary & plumbing works 2017, Pg-2, A(II), 1A(c ) (ii) |
| 6 | Plumbing Mistry@Rs. 326/each + 10% agency profit= Rs. 358.60……...PWD Sanitary & plumbing works 2017, Pg-113, C(III)-1 |
| 7 | Plumbing Helper@Rs. 270/each + 10% agency profit= Rs. 297.00……….PWD Sanitary & plumbing works 2017, Pg-113, C(III)-5 |
| 8 | Estimated amount |
| 9 | 18% GST |
| 10 | 1% CESS |
| 11 | Disconnection of the existing motor power & control cables, sensor & heater connection etc, dismantling the 6KV, 6MT HT motor from the pump base & disconnecting mains & terminal block and keeping it at a convenient place in the station as per direction of Engineer-in-charge. Dismantling & open out the cooling water line & plugging the same before open out the line from the pump as per direction of EIC. |
| 12 | Dismantling & lifting up of existing 8 MT pump by removing the adjusting nut, thrust bearing housing, discharge bend, stuffing box, column pipes, shaft protection tube, barrel couplings, adapters, suction bell, diffuser, Impeller assembly etc part by part using man power, necessary tools tackles etc. |
| 13 | Engagement of 15 ton carring capacity pneumatic Hydra for lifting & carrying the existing motor & pump components from the pumping station & placing it properly & safely below the shed that is built adjacent to SWF pump house & opposite to DWF pump house. Also lifting & carrying of newly supplied pump components & motor assembly from the delivery spot inside the pumping station to SWF pump house. |
| 14 | Cleaning, segregation and numbering of the shaft enclosing tubes, column pipes, adapters, SS line shafts and all other components of the old pump with keeping all parts sequentially within the pumping station as per the direction of EIC. |
| 15 | Supply of rubber gaskets insertion sheets for column pipes & bowl assembly, lantern ring, teflon tape & other misc. articles. |
| 16 | Supply of holdtite liquid sealant to prevent leakage of water by sealing the peripheral joint openings of the flange on the delivery pipeline of pump. |
| 17 | Supply of double flange rubber spider bush as per existing sample. |
| 18 | Supply & fitting fixing of brass gate valve (dia.- 1 inch) for regulating the cooling water flow to thrust bearing assembly, stuffing box & line shaft assembly. |
| 19 | Supply, fitting, fixing of SS nut & bolt as per sample. |
| 20 | Supply, fitting, fixing of high tension foundation nuts, bolts & washer as per sample. |
| 21 | Manufacturing of a wooden platform with MS angle support at its corners to cover the opening on the pump floor thereby restricting entry of broken concrete fragments in the sump chamber. |
| 22 | Drilling involving breaking the existing GP2 cement based concrete floor to remove the sole plates & all the foundation nuts, bolts & washer of old pump with the help of labour, tools & tackles etc. |
| 23 | Drilling, boring & tapping deep through bolt holes with required thread size on the sole plates & blind holes on the concrete floor for fitting, fixing of foundation bolts. |
| 24 | Fitting & fixing of the new sole plates on the pump floor concrete foundation by using high strength GP2 cement with necessary tools, tackles, labour etc & providing proper curing time for strenthening of the plates. |
| 25 | Using spirit level for calibrating the sole plate to attain proper horizontal surface level and fitting, fixing of foundation nuts, bolts & washer complete in all respect. |
| 26 | Applying WD 40 to lubricate & open the rusted bolts from the flange peripheral bolt holes along the delivery pipeline with cleaning of the entire delivery pipeline. |
| 27 | Testing & calibrating the level of horizontal surface of the top of delivery bend by using master level to achieve proper line shaft alignment. |
| 28 | Assembly all parts of new pump unit part by part like Impeller assembly, diffuser with suction bell, shaft with barrel coupling, shaft protection tube with adapters, column pipes, stuffing box, thrust bearing housing with adjusting nut, discharge bend & finally HT motor with proper alignment using man power & necessary tools & tackles etc. |
| 29 | Lower down the bell mouth, diffuser, column pipe & installation of the pump with proper alignment using dial gauge & commissioning. |
| 30 | Installation & fitting of motor cable & couplings with proper alignment & trial run. |
| 31 | Supply of lubricating oil namely Servo prime Industrial turbine oil no.- 68 for cooling purpose of thrust bearing housing. Please Enable Macros to View BoQ information |
