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| 1 | Filling in foundation or plinth by silver sand in layers not exceeding 150 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 asurement of finished quantity) |
| 2 | Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). |
| 3 | (i) For Construction of Sub Base by compacting 1st class brick aggregates (40 mm down) and sand (in proportion of 60:40).Note: Add cost at site of 0.90 m3 of brick aggregates and 0.48 m3 of medium sand (loose volume) to arrive at the consolidated rate. |
| 4 | Supply and delivery of CIDF sluice valve(special type) PW-1.00 of different dia. make with CI double flanged non rusting spindle sluice valves conforming to IS 14846-2000 with latest emended having body dome/bonnet and cover of C.I. Gr.-F.G 210 mtr. spindle of IS-6603 G.R-12/Gr.-13 non-magnetic, nuts seat rings are of Gunonetal as per IS:318 LTB_2 flanges and drilled to IS:1538 part IV & VI valves are suitable for max. working pressure of 10 kg/cm2(seat test) and body tested to 15kg/cm2. |
| 5 | N.B: The above item should be procured from the reputed manufactures as per deptt. Approved vender list. |
| 6 | a) 200 mmdia. PN 1.0 |
| 7 | Carrying CI/DI pipes with specials and valves and lowering placing in position and laying carefully inside the trenches in proper alignment and gradient etc. including earth work in excavation of adequate width as per specification having minimum clear cover from top of pipes is 1.10 mtr. below existing ground level in any kind of soil including mixed width boulder, road sub-grade and its flank but excluding moorum and laterite & stone etc. without damaging the existing telephone/electric cable etc.(in case of damage if any type of cable line during execution , necessary damage charges as applicable by the respective authority will be borne by the agency in his own cost) preparing the bottom surface for continuous bedding of pipe line & laying pipes, fitting ,fixing specials and valves with baling out water if any including carriage of pipes, specials & valves from localdeptt. store within 8 KM and back filling the trenches with excavated earth in layers to original condition as per specification & direction of EIC. The surplus materials after execution of work are to be returned to the department store. |
| 8 | N.B.-i) Any deviation from required clear cover of 1.10mtr. due to site adverse condition , prior permission is to be obtained from the EIC in exceptional situation & payment will be made to proata basis over the rate of the entire item. |
| 9 | ii) No payment will be made without hydraulic test of the pipe line either part or full. |
| 10 | iii) The pipes, specials and valves, rubber gasket will be supplied deptt. Free of cost |
| 11 | a) 200 mm dia. |
| 12 | Making rubber gasket joint to CI/DI pipes maintaining proper alignment, level etc. by mechanical arrangement with or without using mobile cranes where necessary & with help of all other equipments tools and tackles etc. as required providing lubricants of approved quality and direction of EIC. (rubber gasket will be supplied deptt. free of cost) |
| 13 | a) 200 mm dia. |
| 14 | Making flange joints to DI/CI pipes specials and valveswhere necessary with supply of required rubber insertion and nuts , bolts, washers etc. of approved quality and type allcomplete as per specification and direction of EIC .(Nutsand bolts shall be of TATA/ GKW rate) |
| 15 | a) 200 mm dia. |
| 16 | Cutting DI Pipes (all class & type) to required length with cutting device etc. and grinding the cutting portion with file as per direction and satisfection of EIC. |
| 17 | a)150mm to 200mm dia pipe |
| 18 | Chamfering the spigot end of all type/ class of DI pipe for proper using of push joint by means of grinder set at site for proper joint etc. all complete as per direction of EIC. |
| 19 | a) 200 mm dia. |
| 20 | Filling the pipe line with water, testing hydraulically testing as per IS : 3114-1965 (Article 6)in section of a length not exceeding 500 mtr. For head of pressure marked as specification including supplying installing and fixing all equipements such as diesel pump set, blank flange, pressure gauge, valve, pressure pump and all other tools and plants including drilling topping and plugging of necessary holes to pipes, blocking ends providing temporary thrust block and subsequent blocking of holes and other jointing materials and dismantling and removal of the same including disposal of water etc. all complete as perspecification & direction of EIC. The rate is inclusive of cost of requisite water to be arranged by the contractor (Recovery rate of water @ 10.00/m3 if contractor uses water from deptt. source) |
| 21 | a) 200 mm dia. |
| 22 | Cleaning thoroughly the inner surface of pipe line including specials and vales by flushing with water and subsequently disinfection of the same pipe line by flushing again with water containing bleaching power resulting in residual chorine not less than 15 mg/ltrs. after 24 hrs. of such filling including laboratory testing of water samples obtain from the disinfested pipe line and disposal of water from the pipeline after completion of work. The rates including of cost of requisite water to be arranged by the contractor.((The rate of water @Rs. 10/m3 may be recovered, if the contractor used water from deptt. source.) |
| 23 | a) 200mm dia |
| 24 | Construction of different dia Sluice valve/ Air valve / Washout chamber in different sizes for village road where light traffic run and for main road where heavy traffic run ad deptt. approved drawing with 25 cm thick brick work (1:6) over cement concrete (4:2:1) over a single B/F soling over 150 mm Thick sand filling in foundation including earth work in excavation and disposal of excess earth from work site with RCC (1:1.5:3) cover slab 100 mm/150mm thick slab on top of chamber with 1% reinforcement in RCC cover slab with necessary opening for operation of valve all complete including cost of labour & martials as per Departmental drawing. [Reinforcement type : Other manufactures not specified] |
| 25 | a) 20mm dia |
| 26 | Supply and delivery of different dia DI Specials includingloading unloading and carriage inclusive of taxesand all charges whatsover. |
| 27 | Flange Spigot 450 (MI/ 01465) |
| 28 | Flange Socket 450 (MI/ 01455) |
| 29 | Flange Spigot 200 (MI/ 01460) |
| 30 | Flange Socket 200 (MI/ 01450) |
| 31 | MechanicalCollar 450 (MI/ 01475) |
| 32 | All Flanged Tee 450X400 (MI/01263) |
| 33 | MechanicalCollar 200 (MI/ 01470) |
| 34 | All Flanged Tee 200X200 |
| 35 | All Flanged Tee 300X200 |
| 36 | Double Flanged Short Piece 200X1.0 M |
| 37 | Double Flanged Bend 200X90 |
| 38 | Carrying charges of materials M.S. Rod, D.I. Pipe, G.I. Pipe, TW materials, C.I.Dt. Joints, A.C. Coupling, Brass Strainer, H.D.P. Strainer, A.C. Pressure Pipes, M.S. Pipes etc. by road from different stack yard to any places within West Bengal including loading (upto a lead of 20 mtr. from loading point), packing, unloading and stacking charges etc. complete as per direction. |
| 39 | A) Carriage of various dia pipes carried from- Haral Stackyard to Bijayganj Bazar (Carriage Dist. - 25.00 KM; Lead considered excluding 8.00 KM distance carriage cost of which is included in item of laying) - |
| 40 | a) 200 mm Dia = 600 mtr. X 39.27kg/m= 23562 kg=23.562 MT |
| 41 | a) For Distance 0 km to 25 km |
| 42 | 0-5 km= 5km x 44.42/MT/km= 222.10/MT |
| 43 | 5-10 km= 5km x 24.87/MT/km= 124.35/MT |
| 44 | 10-15 km= 5km x 23.20/MT/km= 116.00/MT |
| 45 | 15-25 km= 10km x 19.84/MT/km= 198.40/MT |
| 46 | Total Dist. 25Km Rate= 660.85/MT |
| 47 | Add GST @ 18% on all item except Item no- 12 |
| 48 | Add CESS @ 1% on all items and on GST except Item no- 12 |
