Public Works Department Tender

Supplying cast iron fittings as per IS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts. Flanged Socket Tail piece ( Flanged Adaptors) Nominal Dia in mm 80

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. single large orifice air valve(fig S2confirming to IS 14848/2000 with suitable connections as directed by Engineer -In- Charge for working pressure of 10kg/sq.cm. (Class B) Dia in mm 25

Fixing C.I. Single large orifice air valve of similar make with bronze ferrule at inlet screwed suitable to working pressure of 15kg/sq. cm for 12 mm to 20mm and 10kg/sq. cm for 25mm to 50mm, complete, as directed by the Engineer in-charge, of following sizes. Nominal diameter in mm. a 25

Supplying at store or site of work including freight, transit insurance, carting, loading, unloading,stacking, etc. Ductile Iron double flanged, manually operated Sluice valve generally confirming to IS 14846-2000, non-rising spindle type, (soft seated) resilient seated with Body, Bonnet of Ductile Iron of grade GGG40 or SG 400/12, 400/15, 500/7 or equivalent grade as per IS 3896 part 2-1985 and subsequent revisions, Wedge fully rubber lined with food grade EPDM(WRAS approved) and seals of NBR, spindle stem SS/AISI 410 and having glandless operation. The valve should be vacuum tight 100% leak proof with face to face dimensions as per IS14846-2000 or BS 5163-89 or DIN 3202-F4. The valves should be coated with electrostatic Powder/ Epoxy Coating on both inside and outsideminimum 250 microns thickness of blue colour RAL5017/5005 suitable for drinking water and shall have pocket less body passage. The flanges shall be Drilled as per IS: 1538 with latest amendments. The valve shall be supplied with Hand Wheel for operation (by-pass and gear arrangements for sizes above 400mm dia) and relevant Test & Guarantee ertificates. TYPE P.N. 1.0 (Class A) Nominal Diameter in mm 80

Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc. complete as directed as per IS:2685-1971 CLASS I Nominal diameter in mm. 80

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying and jointing true to line and level and perfect linking of joints Cast iron or Ductile iron or A.C. or S & S or flanged & PVC pipes.

Jointing of HDPE pipes by heating the two ends of the pipe with electrically heated mirror, to the required temperature, including the hire charges of heating mirror and the generator set for the electricity for the heating mirror, etc. complete asper the direction of the engineer in- charge 63 mm to180 mm OD 90 mm OD

Construction of masonry chamber60x60x75cminside in 40kg/sq. cm ,brickwork complete with 23 cms wall thickness and in cement mortar 1:4( 1 cement : 4coarse sand) for sluice valves 50 to 80mm with necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5 coarse sand: 10 graded stone ballast 40 mm nominal size) and inside plastered with CM 1:3 ( 1 cement : 3 coarse sand) finished with floating coat of neat cement complete and chamber cover as specified below etc. all complete as per standard drawing . (rate is inclusive of rate earthwork excavation, cost of surface cover and all other materials and labour and as per details below Without surface box and with 120 mm thick R.C.C. slab cover in cement concrete 1:2:4 ( 1 cement: 2 coarse sand : 4 graded stone ballast 20 mm nominal size)

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge

Providing & laying cement concrete 1:2:4 (1cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: All works upto plinth level

Centering & shuttering including Strutting, Propping & removal of forms for : i Foundations, Footings, Bases for columns

Supply, installation, testing and commissioning of 3 phase Monoblock pump set, confirming to ISI standard with single stage capable of delivering a discharge of 28m3/hr @ 70 meters head. Of make Kirloskar/Wilo/CRI or equivalent

Supply, installation, testing and commissioning of control panel board with star delta starter, fabricated out of 16swg CRC sheet, fully powder quoted. The control panel board consisting of all the mandatory electrical accessories required to keep functional the pump set having discharge of 28m3/hr @70 mts head, in good working condition of ISI make as per quotation enclosed, as required by Engineer in Charge.

Providing and placing on terrace roof of floor two (1st flor roof single piece rotational moulded polythene water storage tank of 5000ltrs capacity having ISI mark and conforming to IS 12701;1996