SPECIAL REPAIR TO ROAD OF TECHNICAL AREA FROM RP-I TO AMC AT AF STN LEH

Amount

Demolition of PCC block masonry work laid dry and removal of rubbish, complete all as specified and directed.

Excavation over areas not exceeding 1.5 metres deep and getting out in hard/dense soil including sub base, soling, WBM, WMM etc. of road (in step form) using mechanical method or chiseling without damaging the adjoining existing surface of road to make proper bonding with widened portion of road complete all as specified and directed.

Scarifying or picking up bituminous macadam surfaces area exc. 400 Sqm and depth exc. 50mm but not exc. 100mm complete all as specified and directed.

Surface excavation not exceeding 30 cm deep and averaging 15cm deep and getting out in any type of soil complete all as specified and directed.

Add or deduct from above item for every 3cm depth or part thereof above or below 15cm average depth complete all as specified and directed. Notes:- (i) For rate adjustment only. (ii) Quantity mentioned in Column-03 as 01 is notional only.

Removing of excavated material to a distance exceeding 50m but not exceeding 100m and depositing where directed at a level not exceeding 1.5metre above the starting point complete all as specified and directed.

Removing of excavated soil to a distance exceeding 1.50 km but not exceeding 5 km complete all as specified and directed.

Removing of excavated bituminous material to a distance exceeding 1.50 km but not exceeding 5 km complete all as specified and directed.

Material and labour, repair to pot holes depth exceeding 30mm and area not exceeding 1.0sqm each including sweeping free from dust and mud or water, scoring sunken surfaces of road, path etc cutting around edges to at least 25mm in depth, making good by applying tack coat of paving bitumen (VG-10) @ 5kg per ten sqm, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 Kg Per 10 Sqm using VG 30 paving bitumen blinded with 0.09 Cum of stone chippling of 6.3mm size and again well rammed ( including supply of premixed macadam, binder and chippings), complete all as specified and directed.

Rolling and consolidating formation surfaces of roads/berms in cutting, with power road roller 8 to 10 tonne capacity or any other approved compactor where rolling by road roller is not feasible, to achieve 98% PROCTER DENSITY to required level, gradient, slope, camber and super elevation including watering as necessary and filling in hollows and depressions which may occure during the process of rolling with and including approved earth, complete all as specified and directed.

Material & labour 150 mm thick (compacted thickness) granular sub base (GSB), laid in two layers each of 75mm thick, over rolled formation surfaces as per MORTH specifications, spread with motor grader, rolled and consolidated to required gradient and camber with 8 to 10 tonne vibratory roller complete all as specified and as directed. Note: Each layer shall be provided in seperate operation.

Material & labour 150mm thick (compacted thickness) wet mix macadam (WMM), laid in two layers each of 75mm thick, produced using mixing plant over prepared granular sub base with aggregates of grading as per MORTH specifications,including spreading with mechanical paver,rolling and consolidated to required gradient and camber with 8 to 10 tonne vibratory/ power roller complete all as specified and as directed. Note: Each layer shall be provided in seperate operation.

Material and labour for preparing of un-surfaced Wet Mix Macadam surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surfaces with air compressor to remove all loose dust & dirt etc., and applying tack coat with bitumen primer VG-10 at 10 Kg per 10Sqm complete all as specified and directed.

Material and labour, Preparation of existing black top bituminous road surface by brushing with wire brushes for removing caked mud etc , sweeping with brooms and finally fanning the cleaned surfaces with mechanical air compressor to remove all loose dirts and applying evenly a priming/tack coat with paving bitumen of VG-10 @ 5kg/10 Sqm complete all as specified and directed.

Material and labour, premixed semi dense asphaltic concrete 40mm thick (consolidated thickness), using combined graded aggregate i.e. crushed stone coarse aggregate, fine aggregate (sand) & filler (inharent filler/OPC 43 grade) of physical properties as specified and as per table given (to refer SSR Part-I of 2009), pre-heated mixed with 5.5% binder content by weight of total mix using VG-30 grade bitumen, laid with mechanical paver, rolled & compacted to a uniform smooth surface with 8 to 10 tonne power road roller complete all as specified and directed. Notes:- (i) Thickness of semi dense asphaltic concrete and quantities of materials as mentioned in particular specifications/SSR are the minimum. The quoted rate shall also be deemed to include for provision of more materials in comparison to those mentioned/specified in the item, if required, to achieve the required level, gradient, camber and shape all as directed by the GE. (ii) Hot mix plant of adequate capacity shall be used for heating and mixing stone and fine aggregate and binder (bitumen) and semi dense asphaltic concrete shall be laid in single layer with self propelled mechanical paver all as directed by the GE. (iii) Contractor’s quoted rates shall be deemed to include all these aspects.

All as per serial item No. 15 above but 30mm thick (consolidated thickness).

Material and labour, painting 2mm thick of thermoplast fluorescent paint colour white or golden yellow or any other shade conforming to BS standard 3262 with 20% glass beads (inter mixed) applied hot with automatic(commercial) machine drive in strips, lines, dashes, arrows, letters etc after preparation of surfaces as per manufacturer’s instructions & according to the specifications laid down by IRC & MOST (Ministry Of Surface Transport)- Specifications 2001 (4th revision), making lines, broken lines/dashes, arrows etc. on roads and other like surfaces exceeding 10cm but not exceeding 30cm in width or girth, complete all as specified and directed.

Taking down existing cat eye before premix complete all as specified and directed.

Refixing old cat eye/road delimeator at old or new location including minor earthwork, PCC, etc. as required for the same in work complete all as specified and directed.

Supply and fix, duel directional reflective cat eye of aluminium casted stud 100x100mm having plastic ABS strip containing 31 mini retroreflective glass beads of colour white/red/yellow a side provided with steel zinc plated nail of dia 12mm of length 120mm for fixing to road by hammering complete all as specified and directed. Make : DARK EYE/TATA BP SOLAR /3M

Supply & fix high intensity reflective taxi track delineator, made out of rigid PVC pipe and fittings, reflector of colour blue/ white/ red, over 75 mm dia pipe of reflector length 370mm including side white sealing reflector sheet bands. Base support pipe of dia 50mm of length 300mm to insert in MS pipe of length 30cm embeded in PCC block 1:2:4 type B-1 (using 20mm graded crushed stone aggegate) including necessary form work including removal of old unservicable delineator complete all as specifed and directed . Make : DARK EYE/TATA BP SOLAR /3M

Material and labour pre-cast cement concrete block masonry with solid blocks type C-1, 1:3:6 (using 20mm graded stone aggregate), exc. 10 cm in width and laid dry complete all as specified and directed.

Labour only pre-cast cement concrete block masonary with solid blocks, exc. 10 cm in width and laid dry (except blocks) complete all as specified and directed.

Supply and fix, ABS plastic speed bumps intrlocking type (size 350x250x50mm) with inbuilt reflectors and black & yellow colour and fixed to road surface as per manufacturer's instruction (minimum 06 nails)(Weight 1150 gram) and filling the bottom gap with epoxy mortar including dismantling unserviceable one complete all as specified and directed. Make : DARK EYE Model no. DA1005 or equivalant in TATA BP SOLAR /3M

Note : Schedule of credit for Rs. 8920.00 (Rupees eight thousands nine hundred and twenty only) to be deducted on acceptance of bid.

neelam construction co

VIJAY ENTERPRISES

Gyamdu Engineering Works

KONCHOK TSEWANG