Construction of Piped Water Supply Scheme at Mallapatty, Gauripur, Ward no.11

WORKS

Rotary Drill/Reverse Rotary Drill : Providing installation and commissioning of 150 mm dia deep tube well by Rotary Rig within the jurisdiction of different PHE Divisions including preparation of site for placing of drilling rig, transportation of rig and ancillary equipments and drilling the DTW including extraction of drill pipes etc, lowering fitting fixing 150mm diameter UPVC pipe assembly comprising of strainer, pipes and cone in potable water bearing strata, washing the bore well etc. , supplying necessary jointing materials, developing the DTW with air compressor Make- Kirloskar / Cumins for a period of 24 hours and supplying and packing pea gravel of size 1/8" to 3/8" around the periphery of casing including screening washing etc. all complete to the satisfaction of the deptt.

Supplying, installation, testing and commissioning of water lubricated 3 Phase Submersible Pump with bronze impeller of suitable diameter all complete. The pump set should be coupled with wet type submersible electric motor drive of adequate power suitable for operation at 230V/ 415 V, 50 Hz input power including supply of steel cable rope, G.I. column pipe, suction strainer, Sluice Valve, Non-Return valve, sockets, bends, elbows etc. & GI delivery piping above ground up to sluice valve above ground level, electrical cable of adequate cross section clips electrical switch gear (starter) etc., Electric Control Panel Board made of MS Sheet duly painted with Anti-corrosive paints complete fitted with all electrical accessories i.e. Off- On Switch, Voltmeter, Ameter, Indicator light etc., bright Annealed Electrolytic Bar Copper Conducted PVC insulated sheathed round flexible 3-core Cable of the Motor Manufactured conforming to IS:694/1990 all complete as specified and directed by the Department with One year warranty from the date of commissioning and satisfactory testing against any manufacturing defect. [If any such defect is found during the year from the date of installation and satisfactory testing, supplier will have to rectify the defect at their cost and risk & if necessary replace the pump set.] Test Certificate of Pump,Motor, Starter, Panel Raw Water Pump Discharge of the pump 98 LPM Design Head 43m Recommended make:-Kirloskar /Jyoti/Texmo/Crompton Greaves/Aquatic/CRI/VGuar or equivalent 3HP- Submersible type Pumpset (1 working)

(A) Supplying, laying , fitting & fixing GI (Medium Class) Pipe conforming to IS-1239(pt-I) 2004 (Ammended 2010) including GI specials and jointing material, cutting ofpipe materials and necessary earthwork intrenching and refilling of earth and restore to its original condition including dressing,dewatering incuding bailing out waterwhere necessary all complete and also necessary testings and commissioning as per direction of the department. 65MM dia GI Pipe

Supplying, installation, fitting & fixing, testing and commissioning of Electric driven 3-phase Centrifugal pump set of approved make with bronze impeller of suitable diameter with G.I. suction pipe,suction strainer, non-return valve, delivery piping up to sluice valve all complete.The pump set should be coupled with electric motor drive of adequate power suitable for operation at 230V / 415 V, 50 Hz input power with DOL Starter /Star delta Starter including Electric Control panel board enclosure made of MS Sheet duly painted with Anticorrosive paints complete, fitted with all electrical accessories i.e. Off-On Switch, Voltmeter, Ammeter, Indicator light etc., Complete wiring from Panel Board to Main Line including supply of Aluminium Armoured Cable of adequate cross section, Earthing wire and all necessary materials for the same, including cost of CC pump foundation with base plate complete and other accessories and labour charge for installation of the pump etc. all complete as specified and directed by the Department with One year warranty from the date ofcommissioning and satisfactory testing against any manufacturing defect. [If any such defect is found during the year from the date of installation and satisfactory testing, supplier will have to rectify the defect at their cost and risk & if necessary replace the pump set.] Raw Water Pump Discharge of the pump 55 LPM Design Head 24m Recommended make:-Crompton Greaves/GEC/ ALSTHOM/Aquatic/CRI/V-Guar or equivalent 5HP- Submersible type Pumpset (1 Working and 1 Standby)

Construction of gravity type Rapid Sand Filter of Size 4m2/6m2 including the following item of works:(i) Earthwork for excavation (ii) 150 mm thick PCC (prop. 1:3:6) (iii) Brick soling (iv) Formwork of ordinary timber planking including centering, shuttering, propping, etc. (v) PCC/RCC works (M25 grade in foundation & superstructure) (v) 250 mm brick work in cement morter with 1st class brick including racking out joints and dewatering if necessary, and curing complete as directed. 4 Sq.m Twin Filter bed

Internal Connection between Filter Bed (4Sqm) & UGR

Construction of RCC Under Ground Reservoir of various capacities by excavating necessary earthwork, including dewatering, stabilising side earth, preparation of sub soil etc. with 100 mm thick PCC (in prop. 1:3:6), using M25 grade of concrete including dewatering if necessary, and curing; application of air entraining and water reducing plasticiser (masterplast PAE ) conforming to IS 9103-1999 @ 0.15 Lit per bag of cement (or equivalent); and 15mm thick plastering and painting, along with inlet channel, vent pipe and other pipe connections, form work, shuttering and shoring etc. for storage of treated drinking water as per approved drawings and specification, along with 450 mm inlet channel with hydraulic jump for mixing of fluid and fitting and fixing of 100mm dia GI outlet, vent pipes as per approved drawings and specification as per approved good for construction drawing issued by the deptt. (UGR to be tested for leak proof). 20000 liters (3.20 x 3.20 x 2.45)m

Supply, deliver and arection of ONLINE NATIONAL ENVIRONMENT RESEARCH INSTITUTE(NEERI) approved silver Ionization water disinfection equipment using oligodynamic disinfection as per standard specification. The life of the built electrode in this eqiuipment will last for the mentioned life in lakhs litres including cost of replacement. Flow Rate of 150000 LPH

Construction of Pump House of following size including necessary earthwork, 100 mm thick PCC (in prop. 1:3:6) over flat brick soling for foundation, 12 mm dia main reinforcement for columns, providing, fitting hoisting and fixing of roof trusses including purlins fabricated out of M.S. circular hollow section, as per approved design and drawings including providing M.S. cleats, base plates, bolts and nuts and one coat of red oxide Zinc Chromate primer and two coats of approved enamel paints complete including fitting necessary cleats, providing PPGL sheets and accessories (Ridges / Valley / Gutter / Flashing)including fitting and fixing sheets for ceiling. Providing and laying plain/reinforced CC work including dewatering and curing including 1st class brick work of 112 mm thickness and providing wood work in frame (Chowkat) of door, window and other similar works as directed with 1st Class timber along with fitting and fixing battend ledged and braced door including painting and priming 2 coats on the wooden surface. Providind and laying 65mm thick Cement Concrete flooring underlayer of 50mm (1:3:6 prop.) and 15mm thick cement plastering in cement mortar 1:4 all complete as per approved good for construction drawing issued by the deptt. Size: 6M X 4M

Providing Functional Household Tap Connection with Rotational Moulded Polyethylene water storage tanks including earthwork in excavation for pipe line (both for connection in distribution line and service connection) and refilling, dressing etc., Providing Integrating Saddle piece with flow control valves (SS- FCV and fasteners) of size 90 MM X 15 MM outlet (i.e. ranging from 63mm to 160mm) , making holes in the distribution pipe, Flow control valve of SS316 (integrated with saddle piece) with flow of 3 LPM at standard operating pressure of 0.5 bar to 1.5 bar, providing and fixing 3 layer (Outer green / GREY coloured UV Stabilised, middle black coloured UV Stabilised and inermost layer white coloured with antimicrobial property) Fusion welded PP-R ( Poly propylene-random copolymer) Pipes, SDR 7.4 having thermal stability for hot and cold water supply conforming IS 15801-2008 of average length 10 m from saddle piece to the tank top (pipes of make empanelled manufacturers and PN-16 Pipe,20 mm OD,SDR-7.4) including all plain PP-R fittings and brass threaded PP-R fitting and clamping, cutting and making good to the damages, including all taxes and duties as applicable and including the cost of all required labour and materials as directed and specified, inclussive of supplying, installation and commissioning of Rotational Moulded Polyethylene water storage tanks of net capacity 200/300/500 Litres conforming to IS 12701: 1996 (With BIS Certificate), water storage tank is to be equiped at inlet with float valve to auto-cut off when the tank is full, the tank assembly is to be placed on the stagging as directed by the department including testing and commissioning up to full capacity level all complete, inclusive of cost of transportation to site and also supplying fitting and fixing PVC bib cock at tank outlet at the bottom all complete as directed and specified.

Making sign board of size 3 m (W) x 1.2 m (H) with 50 mm MS square pipe supporting postin a frame of 32 mm MS square boundary pipes with 3 nos 25mm MS square strut pipe welded with a 3 mm thick MS plain sheet (3 m x 1.2 m) including foundation work , all complete and as directed by the Engineer-incharge.

Construction, testing and commissioning of Valve Chamber for Sluice Valve of different sizes at various PWSS under different divisions of the state. Constructing of Brick masonry Sluice Valve Chamber 750mm(L) x 750mm(B) x 1250mm(H) inside, in 230mm brick work in cement mortar 1:5 (1 cement :5 coarse sand) and precast R.C.C cover slab in prop. 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) reinforced with 10mm M.S. bar @ 150mm centre both ways tying with 20 gauge black annealed wire including necessary earthwork (excavation and return filling), 75mm PCC in prop. 1:4:8 (1 cement:4 coarse sand : 8 coarse agg.) over brick flat soling and 15 mm thick inside plastering and outside plastering (upto 150mm from top) with cement mortar 1:5 (1 cement : 5 coarse sand) , complete as per standard design, including Supplying, carrying, placing in position, fitting and fixing 80mm diameter CID/F sluice valve all complete as directed. Approved good for construction drawing will be issued by the deptt. i) For 80mm dia Sluice valve against 90mm/ 75mm dia Distribution pipe line - 1 no. 80mm dia CID/F sluice valve with cap/ wheel as per IS 14846-2000 PN 1.0 with ISI marking, 2 nos. 80mm dia GI Nipple (225mm long), 4 Nos. 80mm dia GI Threaded Flange, 2 Nos. 90mm dia UPVC Flange, 26 Nos. Bolts

Construction of Brick boundary wall including necessary earthwork in excavation for foundation trenches of walls, footing of columns including refilling (return filling) the quantity as necessary after completion of work, breaking clods in return filling, dressing, watering and ramming etc. and removal of surplus earth, 100 mm thick PCC in proportion 1:3:6 over flat brick soling, with brickwork in cement mortar in proportion 1:4 with 230mm thick first class brick in sub-structure upto plinth level and 112 mm thick above plinth upto height of 1.5 m, and providing RCC pillar of 0.20mx0.20mx 1.50 meter height above GL at 3.0 meters apart and for gate 2 nos. posts of size 0.30mx0.30mx 1.60 meter above ground level, tie beam of 0.20mx0.25m cross section, 6 nos. 12mm dia main bar for each gate post and 4 Total length of Boundary wall

Construction of Double Leaf Heavy Duty Iron Gate at various PWSS under different divisions of the state. Supplying, fitting and fixing double leaf heavy duty iron gate, frame made from 50mm x 6mm M.S. flat iron with another horizontal flat at the middle, 20mm dia M.S bars at 200mm apart from bottom flat to top flat and 20 mm dia M.S. bars at 200mm apart from bottom flat to middle flat including drilling, welding etc. complete. All vertical bars are to be protruded at least 100mm above the middle and top flat is to be flattended and pointed as directed. Necessary locking arrangement on both faces, arrangement for temporary closing the gate and 2 nos.( minium) strong iron hinges of M.S bars and flat of same sizes on each leaf to be embeded in C.C brick pillars as necessary including a red oxide painting to Iron Gate (3.05 qtl)

Raising low site around the Treatment Plant site with approved soil obtained from outside by truck carriage including breaking clods, dressing etc. complete including paying necessary forest royelty, sales tax, land compensation, municipal gate fees, if any monopoly duty etc. (profile measurement to be taken and 12.5% deduction for shrinkage to be made from total quantity) etc. complete as directed and specified.. (average depth 1.20 m) Total For Earth Filling L 10m X B 15m H 2.0m = 300 Cum

Internal Electrification to Raw & Clear Water Pump House Including wiring for light/Fan/Cell bell point with 2 x 1.5 sqmm P.V.C Insulated single core unsheatheIndustrial ( Multi Strand) cable FR conforming to IS- 694:1990 With flexible bright annealed electrolytlo copper conducter for voltage grade up tp 1100 volts ( Finolex/ RR kabel/ Nicco/Anchor or Equivalent Make as approved by Deptt) providing and fixing L.C.S.P and N link Main switch of 240 volt grade ( HPL/GECCO/ANCHOR or equivalent make ) ( For equivalent make prior approval from the Directorate Office is mandatory) including drilling boards/iron frames and fixing with bolts and nuts and connection as approved by the Deptt) COMPLETE AS REQUIRED, Providing and fixing L.C.Distribution fuse boards with rewire able fuses 250 volt grade, supplying and fitting of 18/20. 5/9 watt CFL Lamp in the existing batten holder/angle holder/decorative bracket/bulk head fitting/

Supply and laying of following size PVC/XLPE Insulated and PVC sheathed 1.1 KV Grade Solid Aluminium conductor up to 10 sqmm balance stranded conductor, XLPE Insulated, cores laid up, PVC tape Inner Sheathed, Armour (Aluminium for single core up to 70 sqmm balance Aluminium strip, Galvanised for cables up to 2x10 sqmm. 3x10 sqmm, 4x6 sqmm balance all galvanised steel strip), extruted PVC Type ST2 sheathed, 650/1100v grade as per IS 7908 (part 1) 1988 armoued U.G. cable laid in ground/partially in air (as required for termination over ground including excation of cable trench up to depth of 75 cm, refilling, protectie brick overing, Sad cushioning etc complete handling of surplus spoll, debris etc to proper place as specified and directed by thr deptt. (Nicco/ havells/RPG/CCI/Polycab/Gloster/Finolex make or equivalent).

Supply with fitting & fixing 60 mm dia 3660 mm height 2 - In - one combination double arın Integrated with acrylic diffusers ,translucent top , bottom clear , black powder painted finish tubular pole . The pole is made of GI tube with Gl cylindrical control box with service door and a circular base plate . The pole is swaged at the top to accommodate double arm bracket assembly , secured on to the top by means of 2 annular rings with Allen grub screws. The luminaries is designed for and Integral with 2 nos 36 W CFL suitable for operation on 240 V 50 Hz single phase AC supply . The pole is to be fitted on 1 : 3 : 6 PCC pole foundation of size 300 mmx300 mmx1200 mm with grouting nuts & bolts as specified & directed by the deptt ( Metal Coats make ) .KALINGA - 2 model or equivalent , all complete as specified and directed by the Engineer In charge of the Department

Providing, laying , fitting & fixing GI (Medium Class) Pipe conforming to IS-1239 (pt-I) 2004 (with up to date amendment) including ISI marked GI specials and jointing material, cutting of pipe materials and necessary earthwork in trenching and refilling of earth and restore to its original condition including dressing, dewatering incuding bailing out water where necessary all complete and also necessary testings and commissioning as per direction of the department. 50 mm dia GI

Providing, laying , fitting & fixing GI (Medium Class) Pipe conforming to IS-1239 (pt-I) 2004 (with up to date amendment) including ISI marked GI specials and jointing material, cutting of pipe materials and necessary earthwork in trenching and refilling of earth and restore to its original condition including dressing, dewatering incuding bailing out water where necessary all complete and also necessary testings and commissioning as per direction of the department. 65 mm dia GI

Providing, laying , fitting & fixing GI (Medium Class) Pipe conforming to IS-1239 (pt-I) 2004 (with up to date amendment) including ISI marked GI specials and jointing material, cutting of pipe materials and necessary earthwork in trenching and refilling of earth and restore to its original condition including dressing, dewatering incuding bailing out water where necessary all complete and also necessary testings and commissioning as per direction of the department. 80 mm dia GI

Power Connection for Piped Water Supply Schemes