Repair to Certain road in Technical area at AF Stn Adampur

M&L for repair to pot holes, depth not exceeding 30 mm and area not exceeding 1.0 Sqm each, including sweeping free from dust and mud or water, scoring sunken surfaces of road, cutting around edges to at least 25 mm in depth, making good by applying paving bitumen (VG-10) @ 5kg per ten sqm, putting in premixed well rammed and sealed with binder 6.8Kg/10 Sqm blinded with 0.06 cum of stone chipping 6.3 mm size and again well rammed/ rolled to uniform smooth surface, complete all as specified and directed.

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

M&L for Preparation of unsurfaced water bound 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 dirt etc. and applying evenly a priming/tack coat with paving bitumen of grade VG-10 @ 10 kg/10 sqm with mechnical sprayer complete all as specified and as directed.

M&L for providing Premixed bitumenous macadam not exceeding 75mm thick using paving bitumen @ 4% (VG-30) binder content by weight of total mix using 12 to 25mm graded crushed stone aggregate mixed in computerized hot mix plant, laid, rolled and compacted to required gradient and camber with mechanical paver and power roller 8 to 10 tonne capacity complete all as specified and as directed.

Material and labour for preparing existing black top/bitumenous macadum 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. including draining off water if any from pot holes and applying evenly a priming/tack coat with paving bitumen (VG-10 grade) @5Kg/10Sqm with mechanical sprayer on black top surfaces, complete all as specified and directed.

Material and labour for premixed semi dense asphaltic concrete 30mm thick consolidated thickness, using combined graded aggregate i.e. crushed stone coarse aggregate, fine aggregate (sand) & filler (inherent filler/OPC 43 grade) of physical properties as specified (refer SSR Part-I of 2009), pre-heated, mixed with 4.5 to 5.5% (as per design mix ) binder content by weight of total mix using VG-30 grade bitumen, laid with mechanical paver, rolled & compacted to a uniform smooth surface with vibratory tendum roller, complete all as specified and directed. Notes:- (i) Thickness of semi dense asphaltic concrete and quantities of materials as mentioned in particular specification/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 crushed stone coarse aggregate, fine aggregate and binder (bitumen). Semi dense asphaltic cooncrete 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.

Material and labour for painting 2.5 mm thick thermoplast fluorescent paint of colour white or golden yellow or any other shade as approved by GE conforming to BS standard 3262 with 20% glass beads (inter mixed) applied hot with automatic (commercial) machine drive in stripes 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 not exceeding 15 cm in width or girth complete all as specified and directed.

M&L for Demolition of cement concrete in any position and any description and removal of debris outside MoD land, complete all as specified and directed.

Demolition of brick work or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars etc. but excluding ashlar facings, dressed stone work & precast concrete articles including mortar of any ratio complete all as specified and as directed.

M & L plain cement concrete 1:3:6, type C-2, using 40 mm graded mechanically crushed stone aggregates as in surface channel and drain, complete all as specified and directed.