WBMAD/ULB/RSM/2054/25-26

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 (Item-A, Sl no.-2,a,Page—1 ,P.W.D. Building 2017)

(A) 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) (Page - 2. Item no- 4.P.W.D. Building Works)

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. (Page - 14. Item no- 1.P.W.D. Building Works)

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 1st class brick aggregates (40 mm down) and sand (in proportion of 60:40).(Unit Rate Vide Item No. 4.09 i (Ref.P 247 of PWSOR VOL.-III (effective from 30.08.2018))

Bamboo Pile Walling made of 6.5cm to 7.5cm dia bamboo (in single line) driven about half-length into ground at very close spacing of 30cm c/c side by side, with stout stays at an interval of 90cm fixed with bamboo post of length 1.25m driven 1m below G.L., 3 nos. of half split bamboo runner of same dia fitted and fixed with nails etc. and lining exposed portion with sheets made from cut drums (empty bitumen drums) fitted and fixed with a lap width of 100 mm at each joint, complete as per direction including the cost of drum sheets and including the cost of nails, wires etc.(ii) With bamboos of length above 2.00m and upto 2.50m (Item-ii, Sl no.-18.38,Page—338 ,P.W.D. Road 2018)

Labour Welfare Cess @ 1%

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