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| 1 | SUB WORK :- CONVENTIONAL WATER TREATMENT PLANT CAP. 40 MLD AT PAKNIItem No. 1 - Designing (aesthetically), providing, constructing and commissioning Conventional Water Treatment Plant consisting of all Civil, Mechanical and Electrical worksncluding cost of providing and applying epoxy paint to inside surface of water retaining structures in contact with chlorine and providing anti-termite treatment to entire structure below ground level, mechanical and electrical components of various sub-works as given below, including necessaryydraulic testing, structural testing, equipment testing and trial run for a period of 3 months, etc. complete as directed by engineerin-charge (turn-key job).1) Aeration Fountain - Plan area not less than 0.625 square metre per MLD2) Ventury Flume - With necessary devices, consisting of simple mechanical indicator. (Pedestal type gauge)3) Flash Mixer - Rapid mixing device, detention time 60 seconds to give velocity gradient 300 to 400 sec-1, vane mixer type conforming to I.S. 7090 of 1985.4) Flocculator - Conforming to I.S. 7208-1974 (Type-C) with detention period of 30 minutes.5) Clarifier - Horizontal flow circular tank, detention period 2-5 hours, overflow rate 30 cubic metre per square metre per day (to be specified), Weir loading not more than 300 cubic metre per metre per day, with mechanical sludge scraper conforming to I.S. No. 10313-1982.6) Rapid Sand Filters and Filter House - Filter designed for filteration rate of 5,000 litres per square metre per hour, minimum 2 beds for plant upto 10 MLD, for larger plants as specified, filters to be located in filter house with roof slab, pipe gallery and platform minimum 5.5 metre in width.a) Filter Sand - Effective size 0.45 to 0.70 mm, uniformity coefficient not more than 1.7, nor less than 1.3, depth of water over sand 0.75 M, free board 50 cm, gravel 0.45 M in depth, sand and gravel conforming to I.S. 8491(i)-77, backwash by air wash, standard appurtenances (to be specified), rate of flow controller, filter gauge, sand expansion gauge, etc.b) Wash Water Tank - Capacity to be specified and suitable to supply water to wash 2 filter units at a time where the units are 4 or more.c) Wash Water Pumps - Capacity to fill water tank in 1 hour with 100% standby.d) Air Blowers - Capable of delivering 600 LMP per square metre of free air, of filter area at 0.4 kg/sqcm at the underdrains (100% standby).7) Chemical House in Two Storeysa) Ground floor to accommodate 7 days\" alum requirement and sundry storage.b) First floor to accommodate alum and lime tanks. etc.c) Solution tanks - Minimum 3 tanks (one for preparation, second for dosing and third as standby), each tank capable of giving 8 hours maximum dose without interruption, minimum free board 0.30 M, trays for dissolving, level indicator, mechanical agitation devices, solution feed and drain lines, solution feed device (constant head device, strength of solution upto 10% only) conforming to I.S. 9222 Part-I 1979.8) Pure Water Sump and Sump House.a) Capacity of sump - One hour of designed flow.b) Pump House - Pump house of required size over the sump or by the side.9) Store House - Suitable for alum storage of three months\" requirement in monsoon with 10% extra capacity for other sundry articles.10) Vacuum feed type Chlorinators - Make to be approved by MJP.a) Conforming to I.S. 10533 - A Part-II 1983.b) Rate for withdrawalTemperature Kg. of Chlorine dischargeDegree \"C\"per day (Cylinders)45 67 Tonnes 10 6.35 9.50110 15 10.75 16.10130 20 14.5021.24 25427&Above18.70 28.12315c) Chlorinator equipment and container room to conform to I.S. 10553 Part-I 1983.d) 100% standby shall be provided.11) By pass arrangements - C.I. or M.S. pipes.12) Drainage arrangements - RCC pipes upto plot boundary.13) Electrical installation - Both internal and external including entire plant area.14) Laboratory equipment - As per requirement (to be specified during tendering).15) Sanitary blocks - Carpet area - 15 square metre minimum upto 25 Mld and 25 square metre above 25 Mld.16) Administrative block and internal road - To accommodate office room, chlorine room, laboratory room, panel board room, blower room etc. and WBM road to connect all units from main gate of plot.17) Rates given below are inclusive of uplift pressure if any and dewatering during entire work.18) These rates are applicable for seismic zones 2, 3 and 4.19) All RCC structures shall be constructed in M-300.20) Upto 5 MLD WTP, 100 Kg & for above 5 MLD WTP, 900 Kg Chlorine Tonner supply shall be provided21) i) Glandless valves shall be providedii) Stainless steel railing shall be provided (32 mm dia (SS 316) as per relevant standard)iii) All WTP & its components outside faces shall be painted by Acrylic Emulsion with silicon additives paint only.iv) Ceramic tiles shall be provided for flooring and Dado.Note : Conditions from Sr. No.1 to 21 shall form a part and parcel of the tender and must be incorporated in draft tender papers of conventional treatment plants (proposed).Capacity 40 MLD |
| 2 | Item No. 2 -Providing D.I. pipes (push on joints pressure pipes of D. I. of following class and diameters confirming to the I. S. specification inclusive cost of jointing materials (Rubber gasket of EPDM Quality ) excluding GST levied by GOI & GOM in all respect including Third party inspection charges of TPI Agency approved by MJP including Transit insurance, Railway Freight, Unloading from railway wagon, Loading into Truck, Transportationto departmental store, unloading, stacking etc. completed as directed by Engineer in charges (IS 1536/2001 for pipes and IS 158/1969 and IS 12820/1989 or latest edition/ revision with amendments for Rubber Gaskets.(IS:8329-2000 Latest Version)Note:- (1) Against Supply of Pipes - 60% Payment(2) Against lowering and Laying - 25%Payment (3) After Satisfactory Hydraulic testing - 15% Payment 200 mm dia.D.I. K 9 Pipe |
| 3 | Item No. 3 - Providing double flanged Sluice Valves conforming for IS-14846 including worm gear arrangements as per test pressure, stainless steel spindle, caps, including inspection charges, transportation upto departmental store, unloading, stacking excluding GST levied by GOI & GOM in all respect etc. complete.200 mm dia Sluice Valve PN 1.0 |
| 4 | Item No. 4 -Providing and supplying at site ductile iron / Spheroidal Graphite (S.G.) iron single / Double chamber tamper proof air valve without isolating Sluice Valve. Valves in accordance with BSEN 1074-4 of PN 10/16 rated, with body and bonnet of ductile iron confirming to EN 1563/IS 1865 GR. 500/7 or Gr. 400/15 floats, float guide, seat ring of stainless steel 1.4436/1.4306, seat ring gasket of WRAS approved EPDM rubber (suitable for drinking water), internal fasteners of stainless steel A2. Body & Bonnet coated inside & outside with electrostatically applied epoxy powder coated blue colour (suitable for drinking water) as per DIN 30677-2 & GSK guideliness with a coating thickness of min. 250 microns. Flange connections as per IS 1538 raised face & pressure testing at manufactures works shall be done as per IS 14845, Includingtransportation chargesexcluding GST leived by GOI & GOM in all respect etc. complete.(For PN 10& 16)Note:- (1) Against Supply of Valves - 60% Payment(2) Against lowering and Laying - 25%Payment (3) After Satisfactory Hydraulic testing - 15% PaymentKinetic Air valve 50 mm dia |
| 5 | Item No. 5 - Providing and supplying ISI standard DIspecials & fittings with sealing rubber gasket of SBR complete with cast iron follwer gland & MS nutbolts coated or otherwise protected from rusting and suitable for DI pipes cost of labour , material, andtransportation to stores/site, loading and unloading excluding GST levied by GOI & GOM in all respect, etc. complete as per IS -9523 For all types of specials, bends, TEEs, etc. |
| 6 | Item No. 6 - Providing and supplying ISI standard MSspecials of required thickness with 3 coats of approved make epoxy paint(Shalimar, Ciba or Mahindra & Mahindra make) from inside and outsideexcluding GST levied by GOI & GOM in all respect includinginspection charges, transportation to stores and stacking, etc. complete. |
| 7 | Item No. 7 - Excavation for foundation/Pipe trenches in earth, soils of all types, sand gravel and soft murrum,hard murrum & boulders , WBM Road,soft rock & old cement masonry, ashphalt road, hard rock & concrete road by chiselling, wedging, line drilling, by mechanical means or by all means other than by controlled blasting including trimming & levelling the bed, disposing of the excavated material by removing excavated material upto a distance of 50 M & lifts as below stacking & spreading as directed, normal dewatering, preparing the bed for foundation, & excluding backfilling etc. complete as directed by Engineer-in-charge.Lift 0-1.50 m |
| 8 | Item No. 8 - Filling in plinth and floors murum bedding in trenches with approved murum from excavated materials from foundation 15 cm to 20 cm layers including watering and compactioncomplete.Murrum available @ site |
| 9 | Item No. 9 - Lowering laying and jointing with SBR ruber gaskets C.I. S/S pipes of various classes with CI / MS specials of following diameter in proper position, grade and alignment as directed by Engineer-in-charge including conveyance of material from stores to site of work, including cost of jointing materials and rubber rings labour,etc. complete.Note : Only 85% rate shall be payable till satisfactory hydraulic testing is given200 mm dia DI K-9 |
| 10 | Item No. 10 - Lowering, laying and jointing in position following C.I.D/F Reflex valves, Butterfly valves and Sluice valves including cost of all labour jointing material, including nut bolts and giving satisfactory hydraulic testing etc. complete.Note : Only 85% rate shall be payable till satisfactory hydraulic testing is given200 mm dia Sluice Valve |
| 11 | Item No. 11 - Lowering and fixing kinetic air valve of following dia in proper position and alignment as directed including cost of conveyance from store to site of work, all jointing material, labour and hydraulic testing etc. complete.Note : Only 85% rate shall be payable till satisfactory hydraulic testing is givenKinetic Air Valve 50 mm dia PN 1.6 |
| 12 | Item No. 12 - Providing and contstructing B.B. masonry valve chamber with 15 cm thick 1:3:6 proportion PCC bedding , excluding excavation B.B. masonary in C.M. 1:5 proportion with precast steel fibre reinforced concrete frame and covers ( S.F.R.C. frame and covers)etcClear Size 1.50 x1.50 x1.5 M. |
| 13 | Item No. 13 - Refilling the trenches with available excavated stuff with soft material first over pipeline and then hard material in 15 cm layers with all leadsand lifts including consolidation , surcharging, etc. complete. |
| 14 | Item No. 14 - Hydraulic testing of D.I. pipeline to specified pressure including cost of all materials and labour and water for testing for the length upto 1 km., using reciprocating type pumps which should be able to provide specified test pressure gauges and other necessary equipments,labour, operation charges, etc. required for testing. The rate under this item shall also include cost of retesting, if necessary200 mm Dia. D.I. K9 Pipe |
| 15 | Item No. 15 - Designing (aesthetically), and constructing RCC ground service reservoirs / RCC sumps in M-300 mix of required capacity including excavation in all types of strata, foundation concrete, container walls, bottom slab top RCC roof slab / or dome, 20 mm thick cement plaster with water proofing compound in CM 1:3 proportion to inside face of the container, including epoxy paint from inside including refilling and disposing of surplus stuff within lead of 50 M, all labour and material charges, for laying and jointing of pipe assembly for inlet, outlet washout, over flow and bypass arrangement consisting of C.I. M.S. D/F. pipes, specials and valves of given diameters, providing and fixing accessories such as M.S. ladder inside and outside, C.I. Manhole frame and cover, water top slab, B.B. masonry chamber for all valves, ventilating shafts, including giving satisfactory hydraulic test and water tightness test as per IS code and providing three coats of cement paints to all exposed surface of structure including roof surface etc. complete as per design data, criteria, obligatory requirements and detailed specifications. Anti-termite treatment shall be given for underground portion of the structure. Capacity - 700000 Lits.Notes:1) The design shall be in accordance with various relevant I.S. specification (I.S. 456/1978, I.S. 875 - 1987, I.S. 3370 -1965 or revised.)2) Only M.S. bars grade I conforming to I.S. 432 part-I or high yield strength deformed bars conforming to I.S. 1786 or I.S. 1139 shall be used. Grade-II M.S. bars shall not be used.3) Entire structure shall be in M-300 only.4) The scope of pipe assembly work shall be upto 5 metre beyond outside face of the wall, cost of pipes valves andspecials is not included in the rate but labour cost for laying and jointing is included.5) The G.S.R. / Sump above 15 lakh litres capacity shall be in two compartment.6) The Job includes designing the structure for uplift pressure and dewatering if required during entire execution and disposal of surplus excavated stuff within lead of 50 metres as directed by Engineer-in-charge. If uplifts considered in design, then these rates shall be increased by 7.5%.7) G.S.R. outlets shall be with bell mouth of approved pattern in bottom slab and cost of designing bell mouth is includedin the rate. Sump well includes cost of suction pit required at bottom.8) For pipe diameters upto 300 mm only CI pipes and CI specials shall be used. For pipe diameters above 300 mm, M.S. pipes and specials minimum 10 mm thick shall be used with proper anticorrosive epoxy treatment from inside and outside.9) Cost of pump house is not included in these rates.10) Above rates are applicable for Seismic Zones 2, 3 and 4.11) 75% part rate shall be payable for reinforcement,concrete and plastering items of all types of G.S.R.s and sumps till satisfactory hydraulic testing for water tightness test is given and till that work shall be treated as incomplete.Note : Conditions from Sr. No. 1 to 11 shall form a part and parcel of tender and must be included in the draft tenderpapers for work of R.C.C. GSRs and sumps.700000 Lit capacity |
| 16 | Item No. 16 -Providing and constructing Compound wall with UCR masonry in CM 1:6 foundation and Burnt Brick Masonry wall in CM 1:6 necessary coping, sand faced plaster, flush grooved pointing with CM 1:3, applying two coats of water proof cement and Providing, fixing mild steel gril gate, RCC M20 side pillars of 0.25 Cm x 0.40 Cm x 2.50 Mheight, its foundation, finishing, painting etc. Complete as per detailed drawing and as directed by Engineer in charge. |
