SPECIAL REPAIR TO CERTAIN STRETCH OF ROAD AT LOWER PENANGLA UNDER GE GANGTOK

Amount

Scarifying or picking gravelled macadam or bituminous macadam surfaces in area not exceeding 400 sqm, depth exceeding 50mm and not exceeding 100mm and segregation materials stacking for reuse and remove from the site of work complete all as specified and as directed.

M&L 7.5 cm thick (Compacted thickness) WBM with Granite, trap or Basalt, coarse aggregates of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled and consolidated to gradient and camber required using 8-12 tonne power road roller, complete all as specified and directed.

M&L for 100 mm thick (spread thickness) soling (or sub base) with broken boulders or quarried stone, not exc 15cm thickness inter stices filled, surface formed and rolled and consolidated to required gradient and camber required using 8 to 12 tonne power mechanical road roller, complete all as specified and directed.

M&L for preparing unsurfaced / new water bound macadam(WBM) surfaces by brushing with Wire Brushes for removing Caked, Mud, etc., Sweeping with Brooms and finally Fanning the Cleaned Surface with Gunny Bags to remove all loose dirts, etc. and applying evenly a priming/tack coat with bituminous primer of grade 10 Pack (VG-10) @ 10kg per 10 sqm over WBM surfaces, complete all as specified and directed.

M&L for premix bituminous macadam using paving bitumen of grade 30 Pack (VG-30) @ 4% by weight of total mix laid / rolled and compacted to required gradient and camber with 8 to12 tonne power road roller and rolled to a uniform smooth surface (consolidated thickness 75 mm or less), complete all as specified and as directed.

M&L for preparing existing black top road surface by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc. and applying evenly a priming / tack coat with bitumen primer using paving bitumen grade 10 Pack (VG-10) @ 5kg per 10 sqm, complete all as specified and directed.

M&L for 40 mm thick consolidated thickness bituminous premixed carpet with 0.54 Cu.m per 10 sqm of stone chipping and mixed with 29.20 kg per 10 sqm of binder using paving bitumen grade 30 Pack (VG-30) laid and rolled with 8 to 12 tonne power road roller and compacted to required camber and gradient to a smooth uniform surface, complete all as specified and directed.

M&L for liquid seal coat by applying paving bitumen of grade 30 (VG-30) @ 9.8 kg per 10 Sqm blinded with 6.3 mm size stone chipping @ 0.09 cum per 10 Sqm and rolled to a uniformed smooth surface by 8 to 12 tonne power road roller, complete all as specified and directed.

M&L for plain cement concrete(1:3:6), type C-2 (40 mm graded stone aggregate) in surface channels and drains, complete all as specified and directed.

M&L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement including forms, moulds mitered / stopped ends etc all as specified and as directed.

Supply and fixing cat eye solar reflective type of metal body alloy of size 100mm x 100mm x 20mm with PAMA striplens reflector of model No. DA 972.0 fixed with and incl MS stud of suitable size as per manufactures instructions and all as specified and directed.

Supply and fixing metal tubular dealineator made out of ABS round body fitted with 2 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50 mm dia mild steel pipe of 600 mm height duly powder coated and thermo plastic elastomer 3 bands of green, red and yellow reflector radium tape of 25 mm wide strips with anti theft steel net for reflector protection including embedding in PCC (1:2:4) (150x150x300mm) type B1, complete all as specified and directed.

M&L for preparing bituminous surfaces of road and marking 2.5 mm thick centre lines, stop lines, dashes, arrows etc. and the like n.exc 10 cm wide on road pavements with hot applied thermoplastic road marking paint of approved colour conforming to BS 3262-1989 with special applicator machine all as per manufacturers' instructions complete all as specified and directed.

Demolition of concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and directed.

M&L for 75mm thick PCC 1;3;6 type C2 (40mm graded stone aggregate) as in plinth protection/ road side paving/ hardstanding and finishing cement concrete suraface even and smooth without using extea cement, complete all as specified and directed.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum / amendments and general condition of contracts before entry / quoting the rates. Note 2:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount.

MS CHOWDHURY ENTERPRISE

M/S ANIL KUMAR THAKUR

SANJAY KAUSHIK

M/S S. S CHETTRI AND SONS

MAHENDRA KHAWAS

RAAJ BANGAR

KARMA TSETEN BHUTIA