Public Works Department Tender

Providing and applying primer coat with bitumen emulsion (M.S grade) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.60 Kg/Sqm using mechanical means as per MoRT&H specification for road & bridge (5th Revision) of 2013 as per drawing and design directed by the Engineer complete in all respects as per clause No.502. (N.S.)

Providing and laying tack coat with bitumen VG-10 grade pressure distributor at the rate of 0.30 kg per sqm on the prepared bitumen/granular surface cleaned with mechanical broom including cost of bitumen as per clause No. 503 (5th edition) 2013 as per MoRT&H specification (NS)

Providing & Laying 30mm thick compacted Bituminous Concrete (BC) in one layer with 100-120 TPH batch type hot mix plant and with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with appropriate rollers to achieve the desired compaction as per clause No. 507 MoRT&H specification (5th Revision) 2013 for road and bridge works (5th Revision)2013 using minimum 5.4% to bitumen grade VG-30 as binder content by weight of total mix, complete in all respects including cost of bitumen instruction issued from time to time by MoRT&H regarding machinery & bitumen will be followed strictly. The use of self propelled mechanical paver fitted with electronic sensor device conforming to MoRT&H specification in mandatory. If bitumen required more than 5.4% as per job mix formula no extra payment will be made, extra bitumen required will be considered as incidental to work. Note: - Before carrying out bituminous work, coating & stripping of bitumen aggregate mix is to be performed in accordance with IS – 6241. If coating and stripping of bitumen aggregate mix is less than 95%, anti-stripping agent will be used by contractor. The anti – stripping agent should conform to the requirement as stipulated in IS 14982:2017. The cost so incurred will be considered as incidental to work and nothing extra shall be payable. The type and brand of anti-stripping agent along with procedure shall be approved by SE-in-charge in writing before start of work. A proper record of results be maintained and same shall be submitted along with bills by the contractor. Note:- Where there is only BC on existing black top, cracks shall be sealed as MoRT&H specification 5th revision clause No. 3004.3, which may consists of (i) Fog seal/ or (ii) crack filling and or (iii) patch work repair as required at site in accordance with clause No. 3004.3.2, 3004.3.3 and 3004.2 of MoRT&H specification 5th revision respectively. Proper measurement and consumption shall be entered in MB for cracks sealed but no payment on this account shall be made as crack filling is incidental to work.

Recovery items: The rates quoted against recovery items will not be included in the total amount rather it will be deducted while calculating financial statement of the agency. Material obtained from dismantling of existing bituminous layer have been calculated taking assumption that 80% of theoretical material will be retrieved. The dismantled material can used in any of the item for the work after modification (bringing it to required specifications) after approval from employer. In case it is not possible to use this material on the work, the agency can take away this material. This material can be taken away by the agency at the price quoted by the agency but minimum price to be quoted is limited to reserve price as fixed and mentioned as under :- (i) Old Bituminous material @ Rs.1250/- P. Cum. Note: - All quantities of the above materials have been worked out on the basis of theoretical quantities laid on this road. However, agency may visit site before quoting rates and assess the extent of retrieved material. There shall be no measurement after actual dismantling and if material after dismantling is found on lesser side, no claim of agency on this score will be entertained and full recovery on the basis of quoted rate and quantity exhibited in the BOQ shall be made. The reserve rates are minimum rates to be used as base for quoting purchase rate by the agency. No rates below the reserve price will be entertained and reserve price will be considered for all purposes in case the agency quotes lesser than reserve price.