|
| 1 | Part-IDrilling of 12\" Dia Vertical Borewell |
| 2 | Drilling of 12\" dia. Vertical Borewell so as to have a finished size of 6\" dia. Borewell in Boulders area to any required depth as decided by the TWAD Board officers by direct rotary mud circulation method using contractor\"s rigs, tools, labour drilling mud water required etc. for drilling various places as directed by the Departmental officers ( Water available with in a lead of 1.5 K.M) upto 60m depth below G.L |
| 3 | Labour Charges for inserting the casing pipes assembly( with slots or without Slots) in the drilled hole including welding the joints etc., complete and supplying and packing the angular space with pebbles if size and quality as approved by the Executive Engineer ,TWAD Board. The pebble should be of approved specification and stacked for premeasurement. - 165mm / 168mm dia casing pipes assembly |
| 4 | Charges for developing the borewells for the entire depth with suitable Air Compressor (minimum 8 Hours) including transportation charges for Air Compressors as directed by the TWAD Board officersand conducting yeild test V notch method. Using 300 cfm. compressors. |
| 5 | Supply and delivery of unplasticised plain PVC medium casing pipes of the following diametres in 3 metre lengths both ends treaded as per IS 12818 / 2010 and as amended from time to time to suit shallow bore wells upto 60 metres depth with ISI marking including Loading unloading, freight, transit, insurance, excise duty sales tax etc., completeDN 150mm CS PVC plain casing pipes) |
| 6 | Supply and delivery of unplasticised plain PVC ribbed screen pipes of the following diametres in 3 metre lengths both ends treaded as per IS 12818 / 1992 and as amended from time to time to suit shallow bore wells upto 60 metres depth with ISI marking including Loading unloading, freight, transit, insurance, excise duty sales tax etc., completeDN 150 mm RS PVC slotted casingpipes |
| 7 | Supply and delivery of 150 mm dia end cap including taxes etc., complete. |
| 8 | Part-II - Supply, delivery and erection of Submersible Pumpsets |
| 9 | a)Supply and delivery of 100 lpm X 200m head - 3 HP verticaltype submersible pumpset and (3HP) capable of discharging duty of the following pumpage in lpm against noted head in m suitable for erection into the bore wellwith stainless steel shaft, bronze impller and strainer with brass screws, water lubricated bearings with sand guard. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The pump set of suitable size PVC insulated copper flat cable connecting the pump set and starter. and pumpset should confirm to8034 and as amended thereafter and bear ISI marking. |
| 10 | Supply and delivery of 3 phase Panel Board D.O.L with two level guard and auto start confirming to IS specification for-3Hp. |
| 11 | Supply, delivery of 2.50 Sq.mm PVC insulated and sheathed3 core flat copper submersible cable with ISI marking conforming of IS 694/1990 of reputed make for submersible motor erected in borewell. |
| 12 | Supply and Delivery of 1.1 KV grade 3 core35 Sq. mm Armoured Aluminum conductor U.G. cable conforming to IS 1554/part I and with ISI marking of reputed make for Pump room to Bore well |
| 13 | Laying of 35 Sqmm Armoured Aluminum conductor cable below GL including earth work excavation and refilling the trench after the cable laid etc., complete.vide page 127 of TWAD SR. |
| 14 | Laying of 35 Sqmm Armoured Aluminum conductor cable in trenches inside the pump room or in air etc., complete. |
| 15 | Supply and delivery of GI Pipes and specials as per relevant IS specification for borewell/openwell listed below inserting GI Pipe in wall, cement patch up etc and as per drawing enclosed including cutting and threading of pipes.A. 40 mm GI pipe (3 m) length Medium |
| 16 | 40 mm GI Coupling (Heavy) |
| 17 | 40 mm GI bend (Heavy) |
| 18 | 40 mm GI flange set (Heavy) |
| 19 | 40 mm MS Clamp set |
| 20 | 40 mm GM non return valve |
| 21 | 80 x 40mm GI reducer (Heavy) |
| 22 | 90mm PVC T.Coupler |
| 23 | 40 mm GMgate valve |
| 24 | Labour charges for erection of submersible pumpset in borewell/openwell including fixing and jointing the submersible cable with proper clamps upto the starter to the required depth using erection of clamps, valves and erection of panel board, laying and joining the cables, twin earthing etc as per IE rules including cost of civil works such as construction of earth pit, earth electrode, GI wire etc.for upto 5HP. |
| 25 | Part-III Provision for 90 mm HDPE Pipes |
| 26 | Earth work excavation in all types of strata for laying of pipes with the standard trench width as per Bd .Circular No. 28/ AE10/ P&D/ 2001/ dt. 01.10.2001 andJCE (P&D)/ Lr.No. LM/ AE10/ P & D/ 2001/ dt.22.11.2001 |
| 27 | Supply of unplasticised 90mm OD HDPE pipes PN 6 as per BIS 4985/2000 with ISI Marking to site of works |
| 28 | Lowering and laying the90mm OD HDPE pipes PN 6 and specials to trench , laying to proper grade and alignment, Jointing with PVC coupler and specials fixing with Solvent cement paste etc. |
| 29 | Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested. |
| 30 | Supply of 90mm OD HDPE bendas per BIS 10124/1988 Part 1 to 13 &BIS 7834/1975 with ISI Marks to site of works |
| 31 | Supply and delivery of 90 mm GI pipes medium class as per IS.1239/part I/ 1990 to site of work with ISI Marking |
| 32 | Supply and delivery of GI specials to site of work as per IS specification with ISI markinga. a.80mmGI elbow |
| 33 | b.80mm GI coupling |
| 34 | Testing of 90 mm HDPE. pipes with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure inconvenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidential and operational charges etc., complete |
| 35 | Part-IV Borewell Protection arrangements |
| 36 | Earthwork excavation and depositing on bank with an initial lead and lift in hard stiff clay,black cotton, hard red earth. Earth mixed with small sized boulders and hard gravelly soil etc. |
| 37 | Plain Cement Concrete in 1:4:8 using 40 mm HBG stone jelly including cost of materials, mixing, placing,curing etc complete |
| 38 | Brick Work in CM 1 : 6using best country bricks of size8.75 \"x4.25 \" x 2.75 \" |
| 39 | Plastering the curb wall & platform in cement mortar1 : 3 of 12 mm thick |
| 40 | CC 1:2:4 using 20mm HBG |
| 41 | Earth filling |
| 42 | White washing two coats |
| 43 | Colour washing two coats |
| 44 | Writing TWAD Emblem |
| 45 | Supply and delivery of 150 mm PVC plain casing pipe |
| 46 | Part-V - Connecting Main |
| 47 | Earth work excavation in all types of strata for laying of pipes with the standard trench width as per Bd .Circular No. 28/ AE10/ P&D/ 2001/ dt. 01.10.2001 andJCE (P&D)/ Lr.No. LM/ AE10/ P & D/ 2001/ dt.22.11.2001 |
| 48 | Supply of 110 mm OD HDPE Pipe PN6as per IS 4984/2016 with ISI Marking to site of works |
| 49 | Lowering and laying the 110 mm OD HDPE Pipe PN6 and specials to trench , laying to proper grade and alignment, Jointing with specials fixing with Solvent cement paste etc. |
| 50 | Jointing the 110 mm OD HDPE Pipe PN6 HDPE Pipes and specials by butt fusion welding /electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634(Part 2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board officers. |
| 51 | Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested.page 278TWAD SR |
| 52 | Supply of PVC specials as per BIS 10124/1988 Part 1 to 13 &BIS 7834/1975 with ISI Marks to site of works a.110mm HDPE 90 Bend |
| 53 | b. 110mm HDPE Equal Tee |
| 54 | Supply and delivery of 100 mm GI pipes medium class as per IS.1239/part I/ 1990 to site of work with ISI Marking a)100mm GI pipe |
| 55 | Supply and delivery of GI specials to site of work as per IS specification with ISI markinga.100mmGI elbow |
| 56 | b.100mm GI coupling |
| 57 | Testing of HDPE. pipes with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure inconvenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidential and operational charges etc., completea. 110mm HDPE PN 6 Pipes |
| 58 | 100mm GI pipe |
| 59 | Part-VI - Costruction of Pump Room |
| 60 | Earth work excavation and despositing on bank with an initial lead and lift in all soil / ordinary soil as per SS 20B |
| 61 | PCC 1:4:8 using 40mm HBS jelly for foundation |
| 62 | Earth filling in basement & sides of foundation with excavated earth including ramming and consolidation etc., complete |
| 63 | Sand filling with river sand including watering etc., complete |
| 64 | Brick work in CM 1:6 using best country bricks of size 8 3/4\" x 4 1/4\" x 2\"For foundation and basement |
| 65 | Brick work in CM 1:6 using best country bricks of size 8 3/4\" x 4 1/4\" x 2\"For super structure |
| 66 | RCC 1:1.5:3 using 20mm HBS including curring etc., complete. |
| 67 | RCC 1:1.5:3 using 20mm HBS for sunshade 75mm thick at wall face and 50mm thick at free end, projecting 450mm from wall face moulded along with lintel including centering etc., complete. |
| 68 | Centering Charges for lintel and roof slab including structing. |
| 69 | Plastering the brick work with CM 1:5 12mm thick including curing etc., complete |
| 70 | Ceiling plastering in CM 1:3, 10mm thick including etc., complete. |
| 71 | Flooring with CC 1:4:8 using 40mm metal including top plastering with CM 1:3, 20mm thick |
| 72 | Supply and fixing of MS door (Single leaf) of sizes 1.00 x 2.00m in MS angle 40 x 40 x 6mm and MS flat 25 x25mm x6mm with MS sheet of 18 gauge including ventilating arrangements using 20mm square MS rods with locing arrangements including two coats of approved enamel painting over one coat of primer |
| 73 | Supply, fabricating and fixing in position of RTS rods including cost of steel and binding wire etc., complete. |
| 74 | Supply and fixing of RCC box type jolly of size 0.6 x 0.45 m |
| 75 | Colour washing two coats with approved cement paint for the cement plastered surfaces |
| 76 | White washing two coats for ceiling areas |
| 77 | Weathering Coarse over RCC roof including fixing one coarse of pressed tiles etc., complete. |
| 78 | Provision for writing TWAD Board emblem and scheme details on the side wall of the pump room |
| 79 | Refilling the foundation with excavated earth including consolidation |
