SPECIAL REPAIR TO ROAD NEAR BLDG NO P-03 P-16 and P-10 AT LEBONG UNDER AGE I DARJEELING

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.

Surface excavation n exc. (not exceeding) 30 cm deep and averaging 15cm deep and getting out soft/loose soil all as specified and as directed.

Removing excavated material (soils) exc. 50m and n exc. 250m and depositing where directed at a level n exc. 1.5 m above the starting point all as specified and as directed.

Rolling and consolidating formation surfaces in cutting to required level, gradient and camber with 8 to 12 tonne power mechanical road roller including watering as required filling in hollow sand depressions which occur during the process of rolling complete all as specified and directed.

M&L for 150 mm thick (spread thickness) soling (or sub base) with broken boulders or quarried stone, 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 7.5 cm thick (compacted thickness) WBM, with coarse aggregates (Limestone, sand stone, Flint or Quartzite) of grading 2 (63 to 40mm size), spread, rolled and consolidated to gradient and camber required using 8 to12 tonne power road roller complete all as specified and directed.

All as per Item No. 6.00 above but using serviceable material (road metal) obtain from scarifying or picking of gravelled macadam or bituminous macadam(Item No. 1.00).

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 repairs to pot holes of depth exceeding 30 mm thick, area not exc 1.00 sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads , paths etc cutting around edges to at least 25mm in depth, and making good by applying tack coat with cationic emulsion primer (RS-I) @ 2.5kg/10 sqm putting in premixed bituminous macadam, well rammed and sealed with binder with paving bitumen grade 30 pack (VG-30) @9.8 kg/10 sqm blinded with 0.09 Cum of stone chipping, 6.3 mm size and again well rammed (including supply of premixed macadam binder and chipping) complete all as specified.

M&L preparing unsurfaced water bound macadam 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. complete all as specified and as directed.

M&L for applying evenly a priming / tack coat with bitumen primer using paving bitumen grade 10 Pack (VG-10) @ 10 Kg per 10 sqm 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 sweepijng with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc. complete all as specified and as directed.

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

M&L for 30 mm thick consolidated thickness bituminous premixed carpet with 0.405 Cu.m per 10 sqm of stone chipping and mixed with 21.90 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 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 complete all as specified and directed.

M&L for premixed sand seal coat by applying paving bitumen grade 30 Pack (VG-30) @ 6.8 kg per 10 Sqm blinded with sand @ 0.06 cum per 10 Sqm applied and rolled to a uniformed smooth surface with 8 to 10 tonne power road roller 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 plain cement concrete (1:3:6) type C-2 using 40mm graded stone aggregate as in surface channels and drains including necessary form work complete all as specified and as directed.

M&L for hardcore of gauge n exc 63 mm, deposited, spread and levelled in layers n exc 15 cm thick, watered and rammed to a true surface using broken stone or boulders all as specified and directed.

M&L for 100 mm thick plain cement concrete (1:3:6), type C-2 (using 40mm graded stone aggregate) as in plinth protection, road side pavings, path/steps, hardstanding finished the concrete surfaces even and smooth without using extra cement complete all as specified and directed.

Demolition of reinforced cement concrete (including reinforcement) of any description and in any position not specifically provided for complete all as specified and as directed.

M&L for mild steel TMT Bars, 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with & including MS wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

M&L for providing precast cement concrete (1:2:4), type B-1 (using 20mm graded stone aggregate) as in landings, cover slabs (for man holes, drain etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces with plain fair faces, including chamfers, weatherings, throat- ing etc. and set in cement mortar (1:4), complete with joints to match complete all as specified and directed.

Note 1:- (Applicable for all parts/items) : The biidders/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.

RAI CONSTRUCTION

M/S TSHERING BHUTIA

Darjeeling Enterprises

HIRA SINGH

KWOK YING CHIU