(01)32/WBMAD/SMC/PW/25-26

Earth work in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing, spreading or stacking the spoils 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 1.500 mm.

Construction of Sub Base using Local Materials: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 completeas per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

For Construction of Sub Base by compacting river bed materials

Water Bound Macadam Base Course, 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 tonnesin 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 orfilling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404of Specifications for Road & Bridge Works of MoRT&H(5th Revision).

Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type B (11.2 mm)

Manual Means

Water Bound Macadam Base Course, 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 tonnesin 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 orfilling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404of Specifications for Road & Bridge Works of MoRT&H(5th Revision).

Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm)

Manual Means

(A) Filling in foundation or plinth by silver sand in layers not exceeding 150 mm. as directed and consolidating same by thorough saturation with water ramming complete . Including the cost of supply of sand .(payment to be made on measurement of finished quantity).

Supplying and laying in the specified pattern of interlocking concrete block pavements (ICBP) with concrete blocks (with concrete grade as specified as per Table I of IS 156858: 2006) manufactured in steel mounld clamped to a vibrating table by hydraulic presure (as per cl. No 6.30 of IRC SP 63(2018) from BIS licencee manufacturer with specer nob (small petroding profiles on the verticle face of a paver block used as a device for keeping minimum joint gap in between the paving blocks, as per CI No. 3.26 of IS 15658) and of specified size and shape with as (the ratio of lenth to the thickness of paver block as per CL No. 3.3 IS 15658) as per Table 2 of IS :15658 with flexural strength and breaking load as per annexure G of of IS 15658 on the prepared base course of specified CBR as per Table 1 of IRC SP 63 (2018) or else as mentioned in the design and drawing with a cushion oa compacted bedding sand of 25-35 mm thick (grading of bedding sand as per clause 6.5.1 of IRC SP-grading of t

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

(ii) River bazree.

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