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| 1 | Construction of RCC (Dome type) Clear Water Reservoir of following capacity as per Scope of work and Technical specification, consisting of the following main activities: -a) Topographic survey, preparation of site contour plan, conducting SBC testand its approval from departmentbefore construction. Submission and approval of concrete mix design and water quality test report for water to be used in construction. .b) Excavation in all types of soil, PCC below foundation & all RCC Work including all labour and material charges including providing and fixing of accessories such as SS ladder, SS manhole frame and covers, water level indicator (float type), SS ventilator with SS screen, float valve, puddle collars, G.I. pipe railing around walk way, Top Dome/Slab, Staircase.c) CWR shall be provided with adequate plinth protection all around the structure in a width starting from edge of structure at GL and extending at least up to 1.0m beyond the vertical wall of CWR. The plinth protection shall consist of 150mm thick PCC in M-15 concrete over 150mm thick compacted soil fill.d) Providing and applying two coats of food grade epoxy paint on the inside surface of the roof slab, and 600 mm height of the vertical wall.e) Successful hydro test and water tightness test as per I.S. code.f) Providing and applying three coats of anti-carbonation paint on the roof Slab.g) Providing and applying three coats of cement-based paint on the remaining external surface area of the structure.h) Providing and fixing SS-304 ventilator, SS 304 manhole frame and cover and SS 304 ladder from roof slab to bottom Slab, inside container. Providing and fixing water level indicator (Float type).i) Providing and fixing MS ladder from ground to top slab. j) All MS parts to be painted with two coats of the enamelled paint over the primer coat of red oxide.k)Providing and fixing of 150mm wide water bar for the construction joints in the container.l) Providing and fixing CI/DI puddle collars the vertical wall for connecting inlet, outlet, overflow and washout pipes of the reservoir.m) Inlet, outlet, overflow, washout pipes and valves are not included in this work, provision for the same shall be taken separately.Rates for RCC Underground type clear water reservoir SBC 7 T/sqm, SEISMIC ZONE-2,3 & 4400 KL |
| 2 | Providing and fixing of flanged/ plain ended MS Specials made from MS sheet strips of relevant IS specification of approved thickness by welding,lowering,laying,aligning,fixinginpositionatalllevel/ depths in trenches complete includingall taxes, material,labour, inside lining, outside coating, testingandcommissioning alongwithpipelineaspertechnicalspecifications anddirection of Engineer-in-charge. MS pipespecialsup to600mmdia (withminimum5mmthickness sheet) |
| 3 | Providing,lowering, aligning,fixingin positionin pipeline,CID/FSluicevalvesstraight and pocket less body passage of approved make of following Pressure rating & dia complete, confirming to IS:14846 (amended up to date) and of following specifications: Body, Bonnet, Wedge, Gland, Thrust Plate, Cap & Hand wheel of Grey cast iron of IS:210/ FG200Stem - AISI- 410 ,Body Seat ring, Wedge facing ring & Bushes - LTB2/ SS, Face to face dimensions as per IS 14846/2000 (amended up to date) ,Epoxy ( Non-Toxic- suitable for drinking water) applied inside and outside,Flanges Drilled as per IS 1538. Nut-Bolt confirming to IS:1363 and IS: 1367/ CS/ galvanised steelInsertion rubber of black EPDM 6mm thick . Sluice valves including all jointing & jointing material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer-in-charge. Note: Rates are exclusive of tail piece/ dismantling joints and earth work. Manually Operated CI Sluice valve of Class PN-1.0100 mm HW |
| 4 | 150 mm HW |
| 5 | Providing, lowering, aligning, fixing in position in pipe line, CI double flanged swing type Non Return Valves (NRV)of approved make of following Pressure rating & dia complete, confirming to IS: 5312 (part -1)/ 2004 (amendedup to date) and of following specifications: Body, Cover & disc of Grey cast iron of IS:210/ FG200. Face to face dimensions as per IS 5312 (part -1):2004 , Flanges Drilled as per IS:1538. Epoxy(Non-Toxic & suitable for drinking water) applied on body, cover and disc inside and outside . Body seat ring of SS/CS Door face ring - EPDM/ Neoprene (food grade quality) ,Shaft ofSS- AISI- 410 ,Hinge Malleable cast iron / SS AISI 316 ,Bonnet Gasket EPDM, Bush- Leaded tin Bronze/ PTET, GasketEPDM/NBR,Nut-Bolt as per IS:1363 and IS: 1367 (galvanised steel) ,Insertion rubber of black EPDM 6mm thick. Suitablesupport structure as per directions of EIC including jointing & jointing material, labour, testing and commissioning along with pipeline as per Technical Specification & as per direction of Engineer-in-charge.Note: Rates are exclusive of tail piece/ dismantling joints and earth work. Class PN 1.0100 mm dia |
| 6 | 125 mm dia |
| 7 | 150 mm dia |
