SPL REPAIR TO PCC ROAD, BERM AT MIL AREA NEAR CHANDPUR

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surfaces, depth exceeding 50 mm but not exceeding 100 mm deep and area not exceeding 400 sqm all as specified and directed.

Repair to pot holes any depth not exc. 1 Sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, path 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) rolled and compacted to required camber and gradient with 8 to 10 tonne power roller, complete all as specified and directed.

Preparing water bound macadam surfaces by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally the cleaned surfaces with power sweeper or compressor to remove all loose dirt etc, applying evenly a priming/ tack coat with bituminous primer using paving bitumen (VG-10) at 10 kg per 10 sq metre of road surface, laying bituminous premix semi dense asphaltic concrete 40mm consolidated thickness with 5.5% binder content by weight of total mix using 20mm crushed stone aggregate rolled and compacted to required camber and gradient with 8 to 10 tonne power roller, complete all as specified and directed.

Preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with power sweeper or compressor to remove all loose dirt etc., applying evenly a priming/ tack coat with bituminous primer using paving bitumen (VG-10) at 5 kg per 10 sq metre of road surface, laying bituminous premix semi dense asphaltic concrete 40mm consolidated thickness with 5.5% binder content by weight of total mix using 20mm crushed stone aggregate rolled and compacted to required camber and gradient with 8 to 10 tonne power roller, complete all as specified and directed. Note for Serial Item No 3 & 4:- Bituminous premix semi dense asphaltic concrete shall be mixed in hot mix plant, transported and premix carpet shall be laid in single layer with self propelled mechanical paver, rolled with vibrator roller. Paving bitumen shall not be issued under Sch 'B'

Water bound macaadam 75mm thick (Compacted thickness) laid with coarse aggregate of grading 2 (63 to 40 mm size or of grading 3 (50 mm to 20 mm size) using granite, trap or basalt stone of best quality locally available spread and rolled with 10 to 12 tonnes power roller, each layer will be consolidated separately and to required gradient and camber, complete all as specified.

Marking lines, dashes, arrows etc of width 10 cms on black top/ concrete surfaces of road using hot applied thermo plastic road marking paint 2.5 mm thick (white/ gold, yellow) mixed with radium glass beads @ 250gm/ Sqm with automatic machine to provide reflectivity and night vision (approx temp being 200°C at the time of laying) including cleaning the surface of all dirt, dust and other foreign material complete all as specified. Note:- Road marking lines at the centre of road shall not be continuous, whereas the lines at outer sides of road shall be continuous i.e in one length.

Demolition of stones or brick masonry, built in cement mortar including all quoins, arches etc., but excluding ashlar facing, dressed stone work etc.complete,all as specified.

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

Demolition of cement concrete (unreinforced) in ground floors and pavings n.exc 15cm thickness (below or above ground level) complete all as specified and directed.

Demolition of cement concrete reinforced of any description in any position complete all as specified and directed.

Precast cement concrete M-15, nominal mix, type B-1 (using 20mm graded mechanically crushed stone aggregate) as in window or door cills, lintels, landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces, set in cement mortar 1:4 (1 cement : 4 coarse sand), all as specified. Note for Serial Item No 18 & 19:- (i) The unit rate include for use of form work (straight or curved). (ii) Reinforcement if any shall be measured and paid separately.

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

Plain cement concrete M-15 nominal mix, type B-1 using 20 mm graded mechanically crushed stone aggregate as in surface channel and drains all as specified.

Extra for forming fair finished channel or drain 30 cm and over inner girth in cement concrete using extra cement, including forms, moulds, stopped ends etc., all as specified.

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. Note:- (i) Unit rate quoted shall be inclussive formwork required.

Finishing surfaces of concrete roads, pavements by brooming or making impressions by expanded metal whilst concrete is green, complete all as specified.

Forming construction (Dummy) joint 65mm deep x 10mm wide as the work proceeds in alternative ways and filled with sealing compound grade 'A' after priming with primer for grade 'A' sealing compound , complete all as specified.

M/s Sai Construction

S R CONSTRUCTION