Public Works Department Tender

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

Providing and laying 40mm thick compacted bituminous concrete (BC) in one layer with 100-120 TPH batch type hot mix plant and with a hydrostatic paver finsher with sensor control to the required grade, level and alignment, rolling with smoth whelled, vibratory and with pneumatic tyred roller of 12 to 15 tonne weight with a tyre pressure of at least 0.56 MPA and tandem 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 in struction issued from time to time by MoRT&H regarding machinery & bitumen will be followed strictly. The use of self propelled mechanical paver fitted withh 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 & Striping of bitumen aggregate mix is to be performed in accordance with IS - 6241. If coating and stripping of bitumen aggregate mix less than 95%, anti- stripping agent will be used by contractor. The anti- striping agent shoud conform to the requirement as stipulated in IS 14982:2017. The cost so incurred will be considered as incidental to work and noting extra shall be payable. The type and brand of anti-stripping agentalong with prodedure shall be approved by SE-in-charge in writing before start of work. A proper record of result be maintained and same 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. 3004.3.2,3004.3.3and 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 in incidental to work.

Providing and laying 100 mm thick granular sub base consisting of filter layer confirming to Table 400.1 Grading - VI of MoRT&H 5th edition, mixing in a mechanical mix plant at OMC, carriage of mix material to the site of work, spreading in uniform layer with motor grader on prepared surface and compacting with vibratory power roller to achieve desired density complete as per clause No. 401 of MoRT&H specifications. Note: - 1.Only crushed metal material should be used. No local earth sand shall be used. The material finer than 425 micron shall have zero Plasticity Index (PI). 2. Materials to be used and operations of manufacturing shall be approved by the engineer.