REPAIR AND MAINT OF ROAD AT ZONE BR-I AND BR-II AT BORARUPAK AND REPAIR AND MAINT OF ROAD AT ALONG MIL STN UNDER GE 872 EWS

Scarifying or picking gravelled, macadam or bituminous macadam surfaces exc 50 mm and n.exc 100 mm deep and area n.exc 400 sqm complete all as specified and directed.

Screening road metal, chippings, etc on the site of the work, as ordered, including removing screened materials clear of screen and stacking in separate heaps for measuring (Materials from both sides of screen measured) complete all as specified and directed.

M & L for 7.5 cm thick (compacted thickness) WBM, with coarse aggregate of grading 2 (63 to 40mm size) with lime stone, sand stone, flint or quartzite, spread, rolled and consolidated to gradient and camber required with 8 to 10 tonne power roller complete all as specified and as directed.

All as per serial Item No. 03 above but except materials complete ditto. (Note : Serviceable stone metals shall be obtained from Item No. 0 above)

Preparing un-surfaced WBM surfaces by brushing with wire brush for removing caked/mud etc. sweeping with broom and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. complete all as specified and directed.

Preparing black top surfaces by brushing with wire brush for removing caked/mud etc. sweeping with broom and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. complete all as specified and directed.

M & L for applying evenly a priming/tack coat with bituminous primer using paving bitumen VG-30 @ 10 Kg per 10 Sqm complete all as specified and directed.

M & L for applying evenly a priming/tack coat with bituminous primer using paving bitumen (VG-10) @ 5 Kg per 10 Sqm complete all as specified and as directed.

M & L for Premix bituminous macadam, with paving bitumen, laid/rolled and compacted to required gradient and camber (consolidated thickness 75mm or less) using paving bitumen of Grade VG-30 as binder, camber and gradient with 8 to 10 tonne power roller complete all as specified and directed. (Note: (i) The rates are worked out on the basis of binder content of 4% by weight of total mix. No extra payment shall be made for any additional requirement binder content (ii) Bitumenous macadam shall be laid by using self propelled hydrostatic paver finisher and preparation of mix shall be carried out by using hot mix plant and transporting the mix in tripper)

M & L for bituminous premixed semi dense asphaltic concrete, 40 mm consolidated thickness with 5.5% binder content by weight of total mix using paving bitumen of Grade VG-30, rolled and compacted, mixed in mechanical hot mixed plant and pre-mixed material laid by using mechanical paver, finished including rolling to required gradient and camber with 8 to 10 tonne power roller to required compaction complete all as specified and directed.

M & L Polythene film, 125 micron thick, laid on a coat of bitumen primer, @ 0.30 to 0.50 Kg per Sqm complete all as specified and directed.

M & L for Cement concrete work in pavement/hard-standing of flexural strength 40 kg/per square centimetre in field using 400 kg of cement per cubic metre, thickness of concrete 25 cm or less complete all as specified and directed.

M & L for Add/Deduct to serial item No. 12 above if Extra/less kg of cement used for cubic metre complete all as specified and directed.

M & L for Forming 12mm thick, Expansion joints filled with pre-formed bituminous filler and top 30mm primed and sealed with sealing compound, Grade ‘A’ for 200mm thick floor complete all as specified and directed.

M & L for Forming Contraction (Dummy) joints 65mm deep x 10mm wide, filled with sealing compound Grade 'A' complete all as specified and directed.

M & L for Moorum/red bajri filling in road berms or pavings, laid in layers n exc. 15 cm thick, spread, levelled and rammed including watering complete all as specified and directed.