Tribal Welfare Engineering Department Tender

B.Road;GSB Grading-III: Construction of Granular sub-base by providing HBG material confirming to Grading - III of MoRT&H Table 400-2 and Table 400.1 of MORD including cost, seigniorage charges and conveyance of all materials to work site and spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with Rotavator / approved means at OMC and compacting with vibratory roller to achieve the desired density etc., as per technical specification 401 MORTH (4th revision) and 401 MORD and as directed by the Engineer-in-charge complete for finished item of work

B.Road;Construction of improved subgrade/ Shoulders by providing selected earth having minimum CBR of 10%, MDD not less than 1.85 g/cc with LL & PI not more than 40% and 20 respectively"&" and spreading in uniform layers with tractor grader on prepared surface, and compacted at OMC with vibratory roller 80-100 kN to meet requirement of Table 300.2 with as per Technical"&" Specification Clause 303 MORD / 305 MORTH, by using machinery including contractors profit & Over head charges

B.Road;Wet Mix Macadam:Providing, Laying, Spreading and compacting graded HBG crushed stone aggregate as per table 400.11 and 400.12 of MORD to Wet Mix macadem specification including cost,seignorage of all materials and including premixing the material with water at OMC in Mechanical mix plant (pug mill) carriag of mixed material by tipper to site , laying in uniform layers with motor grader on base course on well prepared surface and compacting with Vibratory roller to acheive the desired density etc., as directed by the Engineer-in-Charge and as per MoRT&H specification.406 (4th revision) and 406 MORD complete for finished item of work.

B.Road;Prime Coat: Providing and applying Primer Coat (LOW POROSITY) with Bitumen emulsion SS-1 on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.60 kg/sqm using mechincal measns as per technical specification Clause 502 of MORD.

B.Road;Tack Coat: Providing and applying tack coat with bitumen Emulsion (Rapid settting-1) using Emulsion pressure distributor at the rate of 0.275kgs per sqm on the prepared bituminous surface cleaned with hydralic broom as per MoRT&H Specification 503 (4th revision) and 503 MORD as directed by the Engineer-in-Charge complete for finished item of work.

B.Road;Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates as per table 500-13 of MORD using penetration grade bitumen 60/70 Grade to serve as wearing course on a previously prepared base, including cost and conveyance of all materials, seigniorage charges, mixing in a suitable plant, laying and rolling with a three wheel 0-100 kN static roller capacity, finished to required level and grades to be followed by seal coat including labour charges, hire charges of T&P and all operational incidental charges complete for finished item of work as per Technical Specification Clause 508 MORD and 511 MORTH.

B.Road;Providing and laying bituminous liquid Seal Coat (Type A) comprising of a layer of bitumuneous binder followed by a cover of stone chipping of grading as defined in table 500.16 of MOST at of Crushed stone chipping of 6.7 mm size 100% passing through 11.2mm seive and retained on 2.36 mm sieve applied @ 0.09 cum per 10 sqm chips to be laid simultaneously along with the bitumunous course using 9.80 kgs of bitumen 60/70 grade for 10 sqm and rolling with power roller including of required line, level, grade to serve as wearing course on previously prepared surface and finishing to rquired level and grades including cost and conveyance of all materials from approved sources and stacking at site to departmental gauge for premeasurements, seigniorage, labour charges and hire and operational charges of power road roller 8 to 10 tonnes capacity and all other machinery, tools and plants, providing barricading for diversion of traffic, erecting red flags other incidental and operational charges etc., complete for finished item of work as per technical specification clause 510 of MORD.including all over heads , and Contractors profit but excluding seignorage charges and GST