SPL REPAIR TO ROADS AT VARIOUS LOCATIONS OF TRANSIT CAMP AT BB CANTT, SRINAGAR IN THE AOR OF AGE B/R-III UNDER GE 864 EWS

Scarifying or picking gravelled, macadam or bituminous macadam surfaces, exc 50 mm and n.exc 100 mm deep to remove irregularities, bumps or ruts, without causing any undue disturbance to the underlying sub base course in area n.exc 400 sqm, complete all as specified and directed.

M&L for preparing black top surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surface with mechanical means i.e. road sweeper truck to remove all loose dirt etc. complete all as specified and directed.

M&L for 7.5cm 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 with 8-12 tonne capacity roller and consolidated to gradient and camber required all as specified and directed.

M&L for preparing unsurfaced WBM surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surface with mechanical means i.e. road sweeper truck to remove all loose dirt etc. complete all as specified.

M&L for applying evenly a priming / tack coat with bituminous primer of grade VG-10 @ 10 kg per 10 Sqm using paving bitumen all as specified and directed.

M&L for applying evenly a priming / tack coat with bituminous primer of grade VG-10 @ 5 kg per 10 sq metre using paving bitumen all as specified and directed.

M&L for premix bituminous macadam (BM) by using 4% of binder content by weight of total mix, laid & rolled and compacted to required gradient and camber by using 8-12 tonne capacity power roller (consolidated thickness 75mm or less), bituminous premix macadam prepared in central computerised hot mixed plant shall be used, complete all as specified and directed.

M&L for bituminous premix semi dense asphaltic concrete 30mm consolidated thickness with 5.5% binder content by weight of total mix grade VG-30, rolled and compacted to required camber and gradient by using 8-12 tonne capacity power roller bituminous premix SDAC prepared in central computerised hot mixed plant should be used, complete all as specified and directed. Notes for ser item No 7 & 8: (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 till it is laid and compacted. Unit rate against these items 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 specified and directed. (iii) Over newly provided bituminous macadam surfaces, further bituminous work, if ordered, shall be provided simultaneously after provision of bituminous macadam & nο separate payment for provision of tack coat for bonding between the bituminous macadam & further bituminous work necessitated 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 execution of the work. (v) The cost of all the above aspects shall be deemed to be included in the quoted rates of above item.

M&L for repair to potholes any depth, not exc 1 sq m 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) but making good by applying tack coat @ 5 kg per 10 sq m, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sq m, blinded with 0.09 cu m of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings) all as specified and directed.

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.