Re-drilling against tubewell at Jabui D.T.W. (BN-158)

Drilling & Installation Drilling of bore hole 55.88 cm dia through any kind of soil by adopting any method of drilling (by Direct or Reverse Circulation Rotary Rig) upto required depth including digging trenches and pits etc. all complete. (I) Upto 30M below GL

(ii) Beyond 30M upto 60M

(iii) Beyond 60M upto 90M

(iv) Beyond 90M upto 120M

(iv) Beyond 120M upto 130M

Labour charges for lowering of M.S. E.R.W. pipes, strainers, blank pipe etc. and fitting, fixing and jointing of tubewell assembly at sites by welding etc. as per direction of the Engineer-in-Charge. 200 mm NB Blank pipe,Slotted pipe & Bottom Plug

350 mm NB Housing Pipe

Supplying fitting fixing including fabrication with required materials (IS: 2800 Part-I with latest amendments) as directed by the Engineer-in-Charge and lowering in position etc. (I) (i) 10 mm. thick (350 mm x 200 mm) NB M.S. Reducer of approved quality including socket.

(ii) M.S. Centre guide (consisting of 3 nos., 6 mm thick, 50 mm wide, not less than 600 mm long and 125 mm rise of arch) of approved quality

(iii) MS Top cap of suitable size (8mm thick) and approved quality for covering top of housing pipe of 350mm NB (Top cover will be tack welded with housing pipe at 4 points 90 Degree apart)

(iv)100 mm width x 12 mm thick Sockets / Rings made from MS Flats by rolling process and double butt welding for joining 350 mm NB Housing Pipe.

(v) 75 mm width x 10 mm thick Sockets / Rings made form MS Flats by rolling process and double butt welding for ioining_200 mm NB Pipe.

Supply of gravel for use as pack in tube well of 2 mm to 4 mm. size (as per IS: 4097) and gravel treatment of tubewell including screening, washing, cleaning etc. of the gravels at the site, all complete as per direction of the Engineer-in- Charge. (i) For sites within 4 km from all weather metal road

Development of tubewell in accordance with IS: 2800 (part 1j and IS: 11189 to establish maximum rate of usable water yield without sand content beyond permissible limit with required capacity of compressor ( about 200 psi, 375 cfm Aircompressor, actual psi and cfm depend on tube well head conditions), running the compressor for required time till well is fully developed and followed by development of tube well by over pumping with 15% to 25% higher discharge than expected discharge of tube well capacity and Vertical Trubine pump and carrying out step-drawdown test, yield test, verticality test etc. as per prescribed method all complete including hire & labour charges of compressor, tools & accessories etc. all as per requirement and direction of Engineer -In - Charge. Depth beyound 120 mtr and upto 200 mtr

Electrologging of bore hole of different dia tubewell for locating water bearing strata and saline aquifer, if any, after conducting relevant geophysical tests. All test reports, compiled data and raw data sheets should be submitted to the Engineer-in-Charge (Cost is inclusive of all charges for equipments, labour, data aquisition & compilation of data sheets as per direction of the Engineer-incharge)

Making slots of 75 mm X 1.60 mm size with a minimum clearance of 4.70 mm in between two adjacent slots over the outer surface of 200 mm NB ERW pipes (to be issued departmentally) in 10 (ten) rows (each row consisting of 96 slots) per metre length of ERW pipe with a clearance of 25 mm in between two rows as per drawing and specification including smoothening the edges after slotting, cost of transportation of ERW pipes from Departmental Store to Workshop and back to drilling site, loading, unloading and carrying by head-load where necessary both ways, all complete.

Mobilisation charges for transporting upto site including loading, unloading of all plants, machinaries and equipments required for drilling, development and testing of Tubewells and also the cost of construction of temporary roads over field and lor, culverts, repairing existing roads and I or culverts all complete, carrying materials on head load, carts or boats as the case may be :- (i) for sites within 4 km from all weather metal road)

Procurement of materials (Drilling) Supply of M.S.E.R.W. pipe duly ISI certification marked, Both ends plain,Length of pipe should be as IS Specification/requirement of ordering authority IS no 1239 (Part 1)/2004 with latest ammendments including GST and transportation. (a) 350 mm (NB) and 8 mm (nominal wall thickness) 68.57 kg / m ISI marked - IS 4270 with latest ammendments.

(b) 200 mm (NB) and 6.40mm (nominal wall thickness) 33.10 kg / m ISI marked -IS 4270 with latest ammendments.

Renovation of Internal wiring and Re- connection with Distribution Chamber ( Works)- Supplying, fitting and fixing M.S. clamps for fixing Starter & main switch. made of flat bent bar, end bifurcated with necessary screws etc. by cement concrete(1:2:4) as per direction. 40mm X 6mm, 125mm Length

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the following sizes in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required. l) 3 x 80/0.4 (10 sqmm)

Supply & Fixing EI danger board on wall b)15 cm x 10 cm (6"x4")

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts.long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By ISI-Medium GI pipe

(a) Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages. iii) No. 8 SWG

Supplying and fixing Sheet steel Main Switches on flat iron frame on wall 240V DP with fuse on L&N 15/16 A (Standard)

Supply & Fixing angular batten holder (Anchor) on 75mm dia PVC round block / round bakelite on wall/ceiling.

Installation of submersible electro motor pumping set of following capacities by using necessary requisite, tools and plants by lowering the same within the tubewell housing pipe upto the following depth as per direction by fitting, fixing column pipes and other accessories, fixtures with necessary nuts, bolts and washers and suspending the entire assembly of pump set vertically by fixing the same supported by M.S. clamps over the top of housing pipe, binding the motor cable with each column pipes and drawing cable upto pump controller/starter point including opening out of the top cap of housing pipe of the tubewell and testing of motor both in loading as well as in unloaded condition before and after installation of the same. (The rate is inclusive of hiring charges of tools & plants.) (a)100/150/200 cubic metre per hour capacity electro motor pumping set. (ii) Length of pump assembly of any length exceeding 18 metre length.

Supplying, fitting & fixing 350 mm x 250 mm x 25 mm size Wooden Plank on wall (for fitting & fixing of electrial equipments as necessary on the plank).

Supplying, fitting & fixing of 32 Amps / 63 Amps / 100 Amps, 415V rewireable type porcelain body Fuse top & base complete set conforming to IS: 13947/Part-4/Sec-I/1993 over wooden plank/ board on wall and making necessary connection with the electrical cable as per direction of the EIC 100 Amps

Joining water proof cable with the leads of the motor including soldering with requisite water proof insulation and proper joining compoundNulcanized rubber tape so that proper water proof insulation is assured..

Fixing only Sheet Steel Main Switch (Rewirwable type)/ Change over on Flat Iron Frame/Angle Iron Frame on wall 415V TP/TPN 100/63 Amps On angle iron frame

Supplying, fitting & fixing of M.S. plate of size 40 cm x 40 cm, thickness 6 mm, consisting of two equal halves (40cm x 20 cm), placed over Housing Pipe of HDTW/ MDTW to rest the supporting clamps, with semi circular hole of 170 mm dia. at centre including locking arrangement between the two halves on both sides, including fitting, fixing of 40 mm dia. G.I. bend by making a hole on plate for passing submersible cable smoothly and complete in all respect.

Withdrawal of electro motor submersible pumping set of following capacities from within the tubewell housing pipe of the following length by using all necessary requisites tools and plants and carefully as per direction of Engineer-in-Charge and stacking the same properly at site within the tubewell premises complete. (a)100/150/200 cubic metre per hour capacity electro motor pumping set. (ii) Length of pump assembly of any length exceeding 18 metre length.

Fitting & fixing of Starter (Direct on Line or Star-Delta/Auto-Transformer) with Nuts & Bolts fixed on Angle iron frame on wall and making necessary connection with the lectrical ii) Star-Delta / Auto-Transformer Starter (Above 15 HP upto 25 HP)

Patch/Doubling works complete with M.S. plate including welding, gas cutting, fitting, fixing complete. (a) Cost of 5 mm M.S. plate including wastage due to cutting, including labour charges for straightening fitting, fixing in position.

(b) Gas cutting to required size of upto 8 mm thick M.S. plate, Channel, Angle etc. including labour charges, hire charges for all tools and plants.

Welding in MS structural work with gas or electric b) continuous weld

Supply of high density poly- ethylene pipe conforming to IS 4984-1985 , 6 kg / Sq cm ( working pressure) 40 mm dia for laying 3x 6 sqm flat cable of submersible pump motor.

Labour for fitting and fixing high density poly- ethylene pipe for under ground work including cutting trnches upto 1.50 mtr and refilling the same and also fixing all necessary specials, cutting pipes, making threads in all completeas per direction of the EIC

Labour Charges for fitting, fixing and laying, where necessary of following M.S / G.I. / E.R.W. pipes and accessories (to be supplied departmentally) including transportation of the same cutting, threading, jointing and making leak-proof threaded / flanged joint at site, by using socket / rubber insertion, nuts and bolts etc. maintaining proper alignment and level - all complete - as per direction of Engineer-in-Charge. (i)(a) 150 mm. dia. ERW pipe.

150 mm dia. E.R.W. pipe 90° bend, both ends flanged.

150mm. dia. C.I. Sluice valve.

150 mm. dia. special bend, both ends flanged.

Carriage of Departmental materials from the Deparmental Store to the work site and return back the damaged/replaced and unused materials to store including loading & unloading complete at both sides by Tempo /Van Rikshaw/Mini Truck etc. upto 25 Km distance in one way. Pump-Motor Set (this item is applicable only for burnt/damaged Pump-Motor Set)

For Delivery pipe, Surge Tank, Bend, Valve etc.

Single brick flat soling of picked Jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Brick work with 1st class bricks in cement mortar (1:6) (b) In foundation & plinth,Gr. floor.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding /staging where necessary (Ground floor). [Excluding cost of chipping over concrete surface. (i)(b)15 mm. thick plaster, with (1:4) cement mortar.

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc. NOTE : Cement 0.152 cu.m. per 100 sq.m.

Dismantling the existing G.I.lM.S. Delivery Pipe line connection between the existing D.C.lSurge Tank!Tripod Set & Tube Well assembly viz Sluice valve,Bend, Surge ank/Distribution Chamber !Tripod Set Connection pipe etc. disconnection of delivery side viz. Special bend etc. all complete as per direction of the E.!'C. and stacking all serviceable materials at site

Installation / Erection of SurgeTank / Shore manifold (to be supplied from Deptt. free of cost) over a rigid base of ordinary cement concrete (1:2:4) with graded stone chips (20mm. nominal size) of pakur varity of 1250 mm X 1250 mm X 150 mm. over a single layer of brick flat soling and embedding the legs of the surge tank/shore manifold within the concrete base including cost of all materials and labour and as per direction of Engineer-in-Charge.

Wiring in 1.1 KV grade single core stranded 'FR' PVC insulated and unsheathed copper wire (Approved make) of following sizes in suitable size PVC casing-capping (Precision make) including. necy. PVC clips, fittings etc. [Main switch to switch board] c.) 2 X 36/0.3 (2.5 Sq.mm.) + 1 X 22/0.3 (1.5 Sq.mm.)

Distribution wiring in 1.1 KV grade 2 X 22 / 0.3 (1.5 Sq.mm.) single core stranded 'FR' PVC insulated and unsheathed copper wire (Approved make) in suitable size PVC casing-capping (Precision make) with 1 X 22/0.3 (1.5 Sq.mm.) single core stranded 'FR' PVC insulated and unsheathed copper wire for ECC, incl. necy. PVC clips, fittings etc. to light/fan/call bell point with piano key type switch (Anchor make) fixed on sheet steel fabricated switch board with Perspex/bakelite top cover on wall incl. necy. connections and making earthing attachment and mending good damages to building works. [PVC casing-capping and Switch board both on surface] a). Avarage Run 5.00 Mtr.

Distribution wiring in 1.1 KV grade 2 X 22 / 0.3 (1.5 Sq.mm.) single core stranded 'FR' PVC insulated and unsheathed copper wire (Approved make) in suitable size PVC casing-capping (Precision make) with 1 X 22/0.3 (1.5 Sq.mm.) single core stranded 'FR' PVC insulated and unsheathed copper wire for ECC, incl. necy. PVC clips, fittings etc. to 5 A 3 pin flush type plug socket with piano key type switch (Anchor make) fixed on sheet steel fabricated CRC MS switch board with Perspex/bakelite (Wall maching colour) top cover of 3mm. thk. flushed in wall by housing the board after cutting brick wall incl. necy. connections and making earthing attachment painting and mending good damages to building works. [PVC casing-capping and Plug Box both on surface] a. On Board

Supplying the PVC inspection box of 175 x 100 x 65 mm

Supplying the 6A Piano key type Switch

Supplying & Fixing bulk head light fitting (Havells make) with die cast aluminium housing & frosted glass on wall/ceiling incl. S&F 8watt CFL / 100 watts GLS lamp complete set.

Supppying, fitting and fixing of 150 mm heavy duty supporting clamps in two halves made of M.S. flat for holding 150 mm N.B. Column pipe, thickness of the clamp 12 mm, width of the clamp 150 mm, extended length of the arm 200 mm,space between rows 100 mm, space between bolts in a row 75 mm, equally spaced from the centre line of the arm, dia of bolt 16 mm. The gap between arms of clamp and pipe assembly before tightening should be between 6 mm to 10 mm. Two rows of bolts of two nos in each rows of 16 mm size shall be provided on either side of the clamp, in other words there will be all together 4 rows of bolts with the provisions of 8 nos of bolts with nuts and with spring and flat washer.

Procurement ( delivery pipe,cable, Surge Tank, NTP valve etc ) Supply and delivery of 3 Core Flat water proof copper cables suitable for working up to including1100 volts duly ISI marked as per IS no 694 and latest ammendments, 3 C X 10 sq mm as per direction of EIC

Supply of 90 degree G.I Bend as per ISI marked IS : 1239 Galv -IS : 4736 with latest Amendments thereof duly welded on both sides of pipe on inside & outside with corresponding diameter of M.S Flanges as per IS- 6392/1971, Table- 17 both bend & Flanged duly galv. IS 4736 150 mm dia

Supplying ISI marked C.1. Sluice Valve with hand wheel, for water works purpose CI flanged type conforming to IS: 14846/2000 with Amdt no 1 & 2 components /parts of sluice valves shall be manufactured from basic materials given in table 1 of IS 14846 /2000 with Amdt. 1 & 2. The valves shall be tested for (closed end test) against hydrostatic test equipments. including cost of carriage, loading & unloading of materials of 150 mm Nominal size (PD)

Supply of fabricated and manufactured M.S. Surge Tank as per drawing (Annexure-H), the body of which made of 3 mm th. sheet and top & bottorm cover are made of 5 mm thick M.S. Sheet welded with the body and strengthened with rib etc. All joints must be electrically welded to a leak proof condition and joints must be capable of withstanding pressure of 50 PSI. The surge tank should be fitted with all accessoriees as specified in the drawing. Entire Surge Tank is to be painted with two coats of anticorrosive paint both inside and outside over a coat of priming as per direction of Engineer-in-Charge including cost of carriage , loading & unloading an all taxes of materials as per of direction of EIC

Supply of MS Hexagonal head Bolts & Nuts bearing IS-1363(Part-1)/1992 of product grade C with latest amendments for Bolts and IS 1363 (Part-3)/1992 of product grade C with latest amendments for Nuts properties/class for Bolt 4,6 for Nut 4,5 both Bolts & Nuts of various sizes ( M 10 to M24) incuding cost of carriage, loading & unloading of materials

Supply & transport of Rubber Insertion 5 mm Thuick with proper re-inforcement 2 (Two) ply conforming to IS 638/79 with latest ammendments duly ISI marked suitable for raised surface of M.S Flange as per IS 6392/1971 with standard drilled hole (Table 5)

Supply & delivery Galv. M S Column pipe, 1SI marKed -1239, Galv- IS 4736 80 mm dia screwed at one end & std flanged at other 3m long (top) to be used as over flow pipe of the Surge Tank as per direction EIC

Supplying 150 mm (NB) MS Special Bend both end flanged welded 150 mm (NB) ERW pipe should be conforming to IS 1239 (Part-I/ 2004 medium & 20 mm nominal thickness MS Flange conforming to IS 6392 / 1971 Table -17 as per of direction of EIC

Supply of Submersible pump motor sets, lSI marked- IS 8034 for pump and IS 9283 for motor [180-125 m3/ hr, 20-35 m] 25 HP) 150 mm outlet in 350-440 Volts 3 Phase, 50 c/s.as per direction EIC

Supply and delivery of 25 HP 3 Φ electromagnetic Star-Delta or DOL motor controller with 4 pole heavy duty power contractor single phasing preventer and normal protective features MCB, indicators, push buttons, Ammeter & Voltmeter all in IP54 enclosure of min 16swg CR sheet steel 10 tank process powder coat painted and as per technical specification shall generally conform to IS 60947/2000(Pt-4) section-1 as per direction of EIC

Supplt of Sheet metal enclosed re-wire cable type fuse, Switch Fuse Unit, 415 volts, 3 phase, 50 cycles A.C supply as per ISI marked confirming to IS: 60947 for 100 Amps Switch Fuse Unit TPN as per direction of EIC

Repairing & Renovation of Damaged Pump house Works Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars in ground floor including Roof.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. a) In ground floor including roof.

Stripping off worn out plaster and raking out joints of walls, celingsetc. upto any height and in any floor including removing rubbish within a lead of 75 m as directed.

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor.

Brick work with 1st class bricks in cement mortar (1:6) including racking out joints scafolding and other incidental works etc complete a ) In foundation and plinth

b) In Superstructure, ground floor

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety.

Hire and labour charges for shuttering with centreing and necessary staging upto 4 metre using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams,columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor). 25 mm. to 37.5 mm. thick wooden shuttering. In ground Floor

b ) 25 mm to 30 mm thick wooden shuttering without staging in foundation

Reinforcement for reinforced concrete work in all sorts of structure including distribution bars, stirrups, binders etc. including supply of rods, initial straightening of bend bars excluding coil bars and removal of loose rust (if necessary) cutting to requisite length, hooking, bending to correct shape, placing in proper position and binding with 1.626 mm (16 SWG) black annealed wire at every inter section complete as per drawing and direction including cost of wire upto 1st floor level. For For Tor steel SAIL/ TATA/ RINL

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints or roughening of concrete surface including throating, nosing and drip course as necessary at ground floor. with (1:4) cement mortar. 10 mm thick plaster.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints or roughening of concrete surface including throating, nosing and drip course as necessary at ground floor. with (1:4) cement mortar. (c) 15 mm thick plaster.

Neat cement punning about 1.5 mm. thick in wall dado, floor, drain, door and window sill etc. complete. Outside, inside, plinth portion, appron and drain.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. Steel Surface

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : (b) On steel or other metal surface With super gloss (hi-gloss) - (iv) Two coats (with any shade except white)

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if ecessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid/Bitumen/M-Seal etc) complete.110 mm. Dia.

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as ecessary) and marble dust in proportion (1:2) including smooth finishing and founding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement).using grey cement 25mm thick

Applying decorative cement based paint of approved quality after preparing the surface including scraping the same thoroughly (plastered or concrete surface) as per manufacturer's specification Two coats (ii)Internal & External surface (Ground floor)

Cement washing including cleaning and smoothening surface thoroughly (cement to be used @15 kg./100 sq.m. of surface for one coat and @25 kg./100 sq.m of surface for two coats):(b) Two coats (on new works only).

Supplying 1 .5mm thick M.S. sheet fitted and fixed on one faces of M.S./ W.I.gate etc. with point welding at not more than 150mm apart complete in all respect as per design including cost of all labourand materials..

(a) M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, Angle, W.I. Flats , bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. (For Door, window frame of shutter , window grill & ver Grill) (ii) Grill weighing above 10 Kg./sq. mtr. & upto 16 kg/sq.mtr.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in- charge complete including cutting to requisite shape and length, abrication with necessary bolting, metal arc welding conforming to IS: 816- 1956 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. For structural members of specified section weighing less than 22.5 kg/m MS angle size For door 40 x 40 x 6 mm & Window - 30 x 30 x 4 mm (Frame)

Filling in foundation or plinth by fine sand in layers not exceeding 1 50 mm as directed and consolidating the same by thorough saturation with water ramming complete including the cost of supply of sand, (payment to be made on measurement of finished quantity)

N.B.:- The tubewells are generally installed in cultivable field located at remote places, away from town. So it involves extra carriage by cart / boat / head load besides initial transport of construction materials by truck. Therefore for Water Transmission Arrangement of Tubewells following extra rate should be allowed over the scheduled rates, save and except for earth works. i) H.D.T.W. / M.D.T.W. - 3% excluding sl.no 1,2,3

Repairing & Renovation of Damaged RCC pipe line (Works)- Dismantling all types of masonry exception cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 mtrs a)In ground floor including roof.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m In ground floor including roof. (a) upto 150 mm. thick

Earthwork in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite and sand stone), including removing, spreading or stacking the spoils within a lead of 75m. as directed. The item includes nesessary trimming the sides of trenches, levelling, dressing and ramming the bottoms, bailing out water as required complete. Depth of excavation not exceeding 1.5 metre.

Single brick flat soling of picked Jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety.

Brick work with 1st class bricks in cement mortar (1:6)(a) In foundation and plinth

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed andraking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Groundfloor).[Excluding cost of chipping over concrete surface(ii) with (1:4) cement mortar.(a) 20 mm. thick plaster.

(b) 15 mm. thick plaster.

Neat cement punning about 1.5mm thick

Earth work in excavation of field trenches as per design section and alignment for laying of pipe lines (PVC, RCC, ACP etc.) upto a depth of 1500 mm all sorts of soils including removing, spreading or stacking extra earth as directed. The item includes necessary trimming of sides trenches, levelling, dressing and ramming the bottom as required complete

Repairing of leakages in collar joints of R.C.C. Pipe line by opening the joints fully by chipping out the old morter, cleaning the pipe recesses and collar properly, and thereafter positioning and levelling the pipes and collar, filling the annual spaces of joints with jute braiding dipped in cement slurry and grouting with (1:2) cement morter mixed with approved quality water proofing compound (5% by wt. of cement) and curing all complete as per direction of Engineer-in-Charge.

Taking out the damaged R.C.C. Pipe and two collars by dismantling two joints carefully, carrying and stacking the same near the pump house, carrying new pipe and collars from the field stack, lowering the same within the trench, properly positioning and levelling on bricks laid flat, between collar and the pipe joints with jute braiding dipped in cement slurry, grouting with cement and sand mortar (1:2) mixed with approved quality water proofing compound (5% by weight of cement) and curing all complete as per direction of Engineer-in-Charge. (c) 225 mm dia. R.C.C. Pipe.

b) Removing of Chokage due to sludge, mud, sand or any other forign materials deposition from the underground 450 / 300 /225/ 150 mm dia. R.C.C. Pipe Line with split bamboo, wire brush, coir rope etc. along with suitable cleaning agent as necessary as per direction of E.I.C. (This item includes cost of earth cutting & back filling of trenches and required materials for cleaning but excluding the cost for taking out 1 full length of RCC Pipe by dismantling of 2 nos. of Collars & re- fitting the RCC pipe with new two nos. collar). iii) For 225 mm dia. RCC Pipe

Taking out the damaged R.C.C. Tee and 3 nos. collars by dismantling three joints carefully, carrying and stacking the same near the pump house, carrying new R.C.C. Tee and collars from the field stack, lowering the same within the trench, properly levelling and positioning on bricks laid flat, filling the annual space betwen pipe fitting and collars with jute braiding dipped in cement slurry, grouting with cement and sand mortar (1:2) mixed with approved water proofing compound (5% by weight of cement) and curing etc. complete as per direction of Engineer-in-Charge (d) 225 mm × 225 mm × 150 mm R.C.C. Tee.

Laying of P.v.C. pipes of different diameters within field trenches in curve / straight line using P.V.C. fittings, viz. Bend, Tee, Reducer etc. and making leak proof joints with couplers after roughening the surface with wire brush and emery paper and applying solvent cement (The rate is inclusive of transport of pipes, fittings and solvent cement to be supplied by Deptt.) all complete as per direction of Engineer-in-Charge.140 mm dia.PVC pipe

200 mm dia PVC pipe

Taking out the condemmed 150 mm dia. N.T.P./T.P./ Alfa-Alfa valve from 150 mm dia. M.S./G.I. pipe of existing spout chamber by careful chiseling with least disburbance to the existing system of structure upto required limit and fitting, fixing of new one with 150 mm dia. M.S./G.I. pipe in proper position of the spout chamber using havoc zinc jute so as to make the joint leak proof including mending good all damages and returning back the condemned materials at store as per direction of Engineer-in-Charge.

Jointing the end of 150 mm. dia. M.S. extension pipe for spout chamber with 150mm. end of R.C.C. Tee including carrying the M.S. extension pipe from store to site, levelling and positioning the end of extension pipe concentrically with 150mm. end of R.C.C. Tee on bricks laid flat within the field trench and jamming the joints with cement concrete (1:2:4) with stone chips 10 mm. down mixed with approved water proofing compound 5% by weight if cement) of adequate thickness to provide a leak proof joint as per direction of Enginer-in-Charge (Cost of bricks for levelling is included).

Earth work in filling in trenches after laying pipe lines (PVC, RCC, ACP etc.) with good earth obtained from excavation of field trenches in layers not exceeding 225 mm, including watering and ramming etc. layer by layer complete. (Payment will be made on the basis of measurement of finished .quantity of work.)

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work)

Supplying, fitting and fixing including transportation of sign board for identifying the exact location of HDTW scheme (one at road side and other at site) the board will be made 3 mm thick MS plate of size 300 mm x 600 mm and fitted and fixed on 50 mm GI Pipe of IS 1239/90 (part-1) including cutting, welding and writting of both sides of Sign board. Base - Yellow, and words - Red. Both bottom end of the stands pipe will be grouted in 1:2:4 CC on a single brick flat soling. This will include one materials and labour complete as per drawing and direction of E.I.C.

Due to extra carriage by cart / head load besides initial transport of construction materials by truck. Therefore add extra @ 3 % over the schedule rates except item no

B ) Procurement of PVC Pipe , Accessories & 150 mm dia NTP . Alfa Alfa Valve etc Supply of C.I NTP valve as per drawing (Annexture-E) with MS Spindle and weight of the bottom disc to be fitted with rubber washer which will be fitted tightly at the closing of NTP valve. There shoulbe arrangement of square type key holder made of MS, complete including two course of painting over a coat of priming. approxiate weight weight 20 kg excluding Keys Including cost of carriage , loading & unloading and all taxes 150mm dia. as per direction of EIC

Supplying Alfa Alfa valve, Nipple type(Type -C) made of cast Iron & , Top cover plate made of MS and as per approved existing drawing. & Technical specification with hand wheel one wheel for 4 nos valve 150 mm dia

UPVC pipes (class-I ) IS 4985 / 2000 certification marked with latest amendments, Ivory Grey coloured both end plain, along with one matching coupler / socket (CLASS-II) duly IS 10124/1988 marked 140 mm dia (wall thickness 2.00 to 2.40 mm )

200 mm dia (wall thickness 2.90 to 3.40 mm )

Supply of Straight Reducer 160 x140 (CL-II) IS 10124 (part-3) /1988 with latest ammendments

Supply of 140 mm dia 90 degree PVC bend (CL-II) IS 10124(Part-8) /1988 with latest amendments

Supply of Flanged Tail Piece with metallic flange (CL-II)10124(Part-6) /1988 with latest amendments 160 mm dia

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