Development of parking area of Bibi-Ka-Maqbara, Chh. Sambhajinagar (Aurangabad)

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. in Ordinary rock.

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineerin- Charge. With material conforming to Grade-II (size range 53 mm to 0.075 mm ) having CBR Value-25

Construction of dry lean cement concrete sub base over a prepared subgrade with coarse and fine aggregate conforming to IS:383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per specifications, cement content not to be less than 150 Kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, for all leads & lifts, laid with a mechanical paver, compacting with 8-10 tonne vibratory roller, finishing and curing etc. complete as per direction of Engineer-in- charge.

Providing and laying design mix cement concrete of M-30 grade, in roads/ taxi tracks/ runways, using cement content as per design mix, using coarse sand and graded stone aggregate of 40 mm nominal size in appropriate proportions as per approved & specified design criteria, providing dowel bars with sleeve/ tie bars wherever required, laying at site, spreading and compacting mechanically by using needle and surface vibrators, levelling to required slope/camber, finishing with required texture, including steel form work with sturdy M.S. channel sections, curing, making provision for contraction/ expansion, construction & longitudinal joints (10 mm wide x 50 mm deep) by groove cutting machine, providing and filling joints with approved joint filler and sealants, complete all as per direction of Engineerin- charge (Item of joint fillers, sealants, dowel bars with sleeve/ tie bars to be paid separately). (Cement concrete manufactured in automatic batching plant (RMC plant) including transportation to site in transit mixer.)

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and constructing existing drainage line chamber to increase the height as per proposed parking level with necessary frame and cover etc. complete as directed.

Providing and fabricating M. S. spiked grill sliding gate of size 6.00m width by using 60 Nos. of 20mm square bars of 2.00m height welded with M. S. ISA 50x50x6mm angle iron at two sides of vertical and bottom 2Nos. M. S. channel 100x50x7mm as vertical post and jointing/welding each M.S. channel as shown in the drawing including cutting welding grinding diamond cut for fixing square bars for inserting in to M. S. flat with necessary hold fast painting in two coats over and anticorrosive paint with supporting in M.S. materials etc. complete as directed by in-charge of work.

Providing and fabricating M. S. spiked grill sliding gate of size 10.00m width by using 100 Nos. of 20mm square bars of 2.00m height welded with M. S. ISA 50x50x6mm angle iron at two sides of vertical and bottom 2Nos. M. S. channel 100x50x7mm as vertical post and jointing/welding each M.S. channel as shown in the drawing including cutting welding grinding diamond cut for fixing square bars for inserting in to M. S. flat with necessary hold fast painting in two coats over and anticorrosive paint with supporting in M.S. materials etc. complete as directed by in-charge of work.

Cutting transverse contraction joints 3 to 4 mm wide and depth 60mm. in concrete slab for 5 mtr intervals (H & V) making box using concrete cutting machine with diamond studded saw within 48 hours of casting of bay / slab etc. complete including subsequent widening of the groove 8 to 10 mm wide at top having depth of 15 mm as directed by Engineer in-charge.

Providing polysuphide sealant to contraction joints into sawed groove 8mm widened at top for sealant reservoir of specified size and shape including fixing polyethylene foam back rod of 6mm diameter including cleaning the joints with water jet/air compressor and allowing joint to become thoroughly dry before sealant is applied etc. completed as directed.