WBMAD/GM/PW/NIT-3/2024-25/04

Amount

Earth work in excavation in foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spils within a lead of 75m. as directed. The item includes necessary trimming the sides of trenches Levelling, Dressing and ramming the bottom, bailing out water as required complete. a) Depth of excavation not exceeding 1500 mm, i) 150 mm dia D.I pipe

Lowering any type of D.I. pipe & Specials and laying along trench at any depth as per specification and direction of Engineer-in-Charge. i) 150 mm dia D.I pipe

Rubber gasket joints to CI/DI pipes and specials all complete to make the joint watertight at required hydraulic as per specification and direction of the Engineer- In –charge. i) 150 mm dia D.I pipe

Flange joint C.I/D.I/M.S. pipes and specials including supply of rubber guskets, nuts, bolts, washer etc. of best quality to make the jint watertight at required hydraulic pressure all complete as per specification and the direction of Engineer-In-Charges. i) 150 mm dia D.I pipe

Cutting of C.I./D.I. pipes for fitting with pipes and/or specials of similar or dissimilar materials at the time of laying without damaging any part of the required length including taking out of the broken pieces from the trench and restacking the same at the specified location as per direction of the Engineer-In-charge. i) 150 mm dia D.I pipe

Chamfering the spigot end of C.I/D.I. pipes for fitting with the socket of C.I./D.I. pipes and/or specials in tyton jointed water mains or other wise using electric grinder as per specification and direction of the Engineer-in-Charge. i) 150 mm dia D.I pipe

Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane (for diameter above 250 mm.) by providing temporary support, as required, gaskets nuts & bolts etc. all complete as per specification and direction of the Engineer-in-Charge. i) 150 mm dia D.I pipe

Supply and fitting fixing Cast iron double flanged manually operated sluice valves generally conforming to IS 14846 : 2000, having four faces and spindle nut of gunmetal. inside screw non- rising type quality gunmetal /AISI 410 spindle: seat tested to 10kg/CM² and body tested to 15kg/CM², flanges flat faced and drilled to 1.S.: 1538 : 1993. Painted black all over with asphalt base paint. Valves tested by closed end method. i) 150 mm dia D.I pipe

Centrifugally cast (spum) ductile iron pressure pipes for water, gas and sewage conforming to IS : 8329-2000 With Cement mortar lining (inside) and bituminous coating (outside) a) Class K-7 i) 150 mm dia pipe

Supply and fitting fixing of C.I. Tee i) 150X150X150 mm

Supply and fitting fixing of C.I. Mechanical joint set i) 150 mm

Supply and fitting fixing of C.I. reducing i) 150X100 mm

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) (a) With earth obtained from excavation of foundation.

Construction of different dia Sluice valve /Washout chamber in different sizes for 25cm thick brick work (1:6) over cement concrete (4:2:1) over a single B/F soling over150mm.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 100mm / 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 & materials i) For 150 mm dia.

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 measurement of finished quantity) i) 150 mm dia pipe

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). (i) For Construction of Sub Base by compacting 1stclass brick aggregates (40 mm down) and sand (in proportion of 60:40). 1st class brick aggregates (40 mm down) ,min. Compacted thickness 150mm. .