WBMAD/GM/PW/NIT-1/2024-25/05

Amount

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. 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 1,500 mm. i) 100mm dia A.C / D.I. Pipe.

Supplying and Lowering of 100 mm D.I. pipe & Specials and laying along trench at any depth as per specification and direction of Engineer-in-Charge. i) 100mm dia D.I. pipe.

Cost 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) 100mm dia D.I. pipe.

ii) 150mm dia D.I. pipe.

Labour for cleaning & Washing A.C / D.I / HDPE Pipe line upto 150mm dia. Including scraping internal deposits if necessary as per direction of Engineer-in-Charge. i) 100mm dia.

Supplying and fitting fixing of C.I. tee i) 200X200X100mm

Supplying and fitting fixing of C.I. tail piece ii) 100mm dia

Detachable joints to A.C/D.I pipes including supply of rubber gasket, nuts, bolts etc. of best quality to make the joint water tight at required hydraulic pressure all complete as per specification and direction o the Engineer-in-Charge. a) 100 mm. dia pipe

b)200mm dia pipe

Labour for detachable joints to AC pipes to make the joint water tight at required hydraulic pressure all complete as per specification and direction of the Engineer-in-Charge. a) 100 mm. dia.

ii) 200mm dia HDPE 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

Rubber gasket joints to C.l./D.l. pipes and specials all complete to makes the joint water tight as required hydraulic pressure as per specification and direction of the Engineer-in-Charge. a) 100 mm. dia.

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 as deptt.approved drawing with 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 as per Departmental Dwg. i) 110 mm dia pipe

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. i) 100mm dia A.C / D.I. Pipe.

Removal of rubbish, earth etc. from the working site and disposal of the same beyond the compound, inconformity with the Municipal/Corporation Rules for such disposal, loading in to truck and cleaning the site in all respect as per direction of Engineer in charge. i) 100mm dia A.C / D.I. Pipe

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) 100mm dia A.C / D.I. Pipe.

Box cutting or filling in Road Embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with Power Roller to proper camber and grade as per direction and satisfaction of Engineer-in-Charge including uprooting and removing plants and jungles when and where necessary. i) Depth upto 150

ii) For each additional depth of 150mm and part thereof

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

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.

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal /shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For Construction of Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening :