SPL REPAIR TO ROAD-ADM GATE TO ADM BLOCK, REPAIR/ REPLACEMENT OF STONE SETT/COBBLE STONE FLOORING, PATH, HARDSTANDING, CEMENT CONCRETE ROAD ALONGWITH RECARPATING OF BITUMINOUS ROAD AT HAWS UNDER GE 969 EWS

Scarifying or picking gravelled macadam or bituminous macadam surfaces in area not exc 400 Sqm and depth exc 50 mm but not exc 100 mm and removal of debries out side from the land complete all as specified and directed

M&L for 75 mm thick (compacted thickness) WBM, with crushed stones/aggregates (granite, trap or basalt) of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled and consolidated to gradient and camber required complete all as specified and directed.

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 surfaces with gunny bags to remove all loose dirt and applying evenly a priming/tack coat with bitumen (VG-10) at 10 kg per 10 sqm etc complete all as specified and directed.

Repair to potholes any depth, not exc 1 sqm each including sweeping, free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc cutting around edges to at least 25 mm in depth, making good by filling in screened & graded road metal, watering and well ramming (including supply of road metal) making good by applying tack coat of bitumen (VG-10) at 5 kg per 10 sq m. putting in bituminous premix asphaltic semi-dense concrete 30 mm consolidated thickness with 5.5% binder i.e VG-30 content by weight of total mix, rolled and compacted to required camber and gradient with 8 to 12 tonne power roller and premixed sand seal coat with 0.06 cum of sand mixed with 6.8 kgs bitumen VG-30 applied and rolled to a uniform smooth surface complete all as specified and as directed.

M&L for premix bituminous macadam with 5.5% paving bitumen binder VG-30, laid/ rolled and compacted to require gradient and camber (consolidated thickness upto maximum 75mm ), complete all as specified and directed by Engr - in - Charge.

M&L for bituminious premix semi dense alphaltic concrete 30mm (consolidated thickness) using paving bitumen of grade VG-30 with 5.5% binder content by weight of total mix, mixed in computerised Hot Mix Plant and spread by means of Self Propelled Mechanical Paver, rolled and compacted to required camber and gradient by using mechanical power road roller of 8 to 10 tonne capacity including premixed sand seal coat with 0.06 cum of sand mixed with 6.8 Kg of paving bitumen applied and rolled to a uniform smooth surface complete all as specified and directed by Engr-in-Charge. Note for serial item No 3 to 6:- (i) Preparation of mix in hotmix plant, spreading by self propelling mechanical paver and rolling and compaction by set of rollers as specified in particular specifications shall be carried out. Hot mix plant may be installed at any distance but the contractor shall be responsible and has to maintain the required temperature of mix under all conditions tjill it is laid and compacted. Unit rate against these itrems shall include for carrying out the works with depolyment of these machinery for which nothing extra shall be payable and no delay in completion of work shall be acceptable. (ii) Central computerised Hot mix plant of adequate capacity shall be used for heating and mixing of constituents for preparation of bituminous macadam and the same shall be laid with mechanical sensor paver all as specifiedand directed (iii) Over newly provided bituminous macadam surfaces, further bituminous work, if ordered, shall be provided simultaneously after provision of bituminous macadamı & πο separate payment for provision of tack coat for bonding between the bituminous macadam & further bituminous work necessiated due to the time period gap or otherwise shall be made for separately (iv) The design mix shall be carried out from the Zonal lab/ Govt approved lab/Govt Engr College as approved by GE and design mix shall be got approved by GE before (v) The cost of all the above aspects shall be deemed to be included in the quoted rates of above item

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

Demolition of cement concrete in ground floor and paving n.exc 15cm thickness (below & above GL) unreinforced complete, all as specified.

M&L for 100mm thick plain cement concrete 1:4:8, type D-2 (using 40mm graded stone aggregate) in sub base floor complete all as specified and directed.

Material and labour, 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.