Construction of work Primary School Kuraitha to Jakhaura in Bamour Block.

PART A For BITUMINOUS WORK Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5

Construction of sub-grade by providing borrow pit material with 2% Lime , spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401

(CTSB )- Providing,laying and spreading material on a prepared sub grade,adding cement @2% by weight to the spread material manualy, mixing in place with rotavator and compacting with the road roller at OMC to achieve the desired unconfined compressive strenght and to form a layer of sub base.

CTB (WBM Grading-3 with Cement @ 4%) - Providing, laying,and spreading material on a prepared sub base cement @ 4% by weight to the spread material manualy mixing in place with rotavetor and compacting with the road roller at OMC to achieve the desired unconfirmed compresive strength and to from a layer of base

Providing and applying tack coat with Bitumen (V.G.-10 Gr.) using Bitumen distributor at the rate of 0.30 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in HMP, laying with paver finisher and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of Type C as per Technical Specification Clause 508.

Providing and laying seal coat by mannual means with VG-10 Gr. grade bitumen sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type "C" as per Technical Specification Clause 510

PART B For Drain work Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

sand Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401.