WBMAD/ULB/KHARAGPURNIT/57eWL

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.

Removal of rubbish, earth etc. From the working site and disposal of the same beyond the compound, in conformity with the Municipal/ Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer-In-Charge.

Filling in foundation or plinth by fine 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)

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. (a) Single brick flat soling (thickness 75 mm.)

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety

Hire and labour charges for shuttering with centering & necessary staging upto 4m using approved stout props & thick hard wood planks of approved thickness with required bracing for concrete slab, beams & columns, lintels curved or straight including fitting, fixing & striking out after completion of works(upto roof of ground floor). (f) 25 mm to 30 mm shuttering without staging in foundation.

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)

Water Bound Macadam Base course by Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (iii) Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm) A. Mechanical Means.

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all otherincidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H(5th Revision). (i) For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/sqm) (Vide Page-247; Item-5.01)

Providing and applying tack coat using Cationic bituminous emulsion of approved grade conforming to IS : 8887-1978, over prepared surface including cleaning of surface with mechanical broom, moistening the surface, applying tack coat including cost and carriage of emulsion, hire charges of machineries and labour, cost of fuel and lubricants all complete as per specification and direction of the Engineer-in-charge. (b) On Bituminous surface @ 0.20-0.30 kg per 1 m2