UPGRADATION OF EXISTING P.C.C. ROAD FROM HAZI MD. SHAMSUL HOUSE

Clearing and Grubbing Road Land Remarks Complete RateLabour,T&P, Machineryetc. Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings andtreesgirth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness. (Reference to MoRT&H's specification clause 201) II A. By mechanical means

Dismantling of cement concrete pavement by mechanical means usingpneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202)

Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 (Reference to MoRT&H's specification clause 305).

Construction of granular sub-base by providing graded materials such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading , spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401 desired density, complete as per clause 401 (using pakur variety stone chips and stone aggregates as per rate analysis)

400 G Polythene sheet

Construction of zero slump dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate as per approved design mixed, aggregate cement ratio not to exceed 14:1 where OPC is used and 12:1 where PSC or PPC is used, aggregate gradation after blending to be as per table 600-1, cement content as per clause 601.2.2, cementitious material content not to be less than 140 kg/cum with use of mineral admixture if used to be as per clause. 3.4 of IRC:SP:49 (2014) optimum moisture content to be determined during trial length construction, concrete strength not to be less than 7 Mpa at 7 days as per Cl.4.1 of IRC:SP:49(2014), mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing (Reference to MORT&H's specification 601 along with IRC:SP:49). (using pakur variety stone chips and stone aggregates as per rate analysis)

Supplying and Laying in the particular pattern of cement concrete block pavements with BIS certification and spacer nib of size and shape with aspect ratio as per IS 15658 with cement concrete grade not less than M40 on the prepared base course of specified CBR as mentioned in design and drawing with a cushion of bedding sand of 30 to 50 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps between two paver block with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2) complete as per IRC SP - 63 with proper confinement of bedding and joint filling sand, compaction,levelling and filling up of the edge gaps with mortar. Type I, II,III, IV should be as per design requeirment or instruction of E-I-C c) Type - III (80 mm thickness) inter locking system

Providing and fixing of retrore flectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick,when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting 2.0mm thick when signs with maximum side dimensions exceeds 600mm, supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing (Reference to MORT&H's specification 801). 4 (ii) 60cm equilateral triangle