Mumbai Railway Vikas Corporation Limited Tender

Earth work with compaction in all location in Railway embankment including bridge approaches with contractors own earth as per RDSO specifications with all lead and lift, spreading in layers, watering and rolling at OMC with contractors power driven roller of required capacity to the required density (as specified in RDSO specifications) of MDD as obtained from heavy compaction modified proctors test in accordance with IS2720(pt VIII) 1983 and IS 10379 of 1982 including dressing the top and side slopes and forming the profile with all contractors tools, labours, materials and plants, fuel, consumable etc. complete. The work shall be carried out as per RDSO's COMPREHENSIVE GUIDELINES AND SPECIFICATIONS FOR RAILWAY FORMATION Specification No. RDSO/2020/GE: IRS-0004 including correction slips up-to-date. Note: 1. For compaction type of roller to be 1 selected as per soil characteristics. 2. Each layer of earthwork shall be levelled in proper side and longitudinal slopes with grader machine. 3. The work 3.5m from existing track centre shall be done only in traffic block, during day/ night. 4. The rate is inclusive of lighting arrangement required during night working. 5. The rate includes extra 50 Cm width of bank on either side for proper rolling of shoulder and then cutting / dressing to correct design profile. 6. In case the Earth work is to be done for widening of the existing bank or on sloping ground, the rate also includes all benching as per Railway's (RDSO) specification/ Engineer's directions. Note: Rate for Item includes following activities also: a) Clearance of site by Removing Grass, shrubs, debries etc. b) Marking of Centre line, Toe line, Reference line etc and shifting and preserving references. c) Fairly Levelling and Compacting of Original Ground before taking initial levels. d) Plotting and making calculations with the help of suitable software and taking printouts of cross-sections for the purpose of records.

Shotcreting on the side slope of cutting with contractor's shotcreting machine with cement concrete of specified mix to a thickness of 100 mm including supplying, cutting to sizes and fixing of one layer of wire mesh 10 reinforcement of size 100mm x 100 mm with hard drawn steel wire 3.5mm dia. Shortcreting is to be done in 2 layers of 50mm thickness each as directed by Engineer after through cleaning of excavated surface with water and air under pressure. Rates are inclusive of all contractor's cement , materials, wire mesh, all labours,machinery,tools and plants with all lead and lift etc. complete.

Providing Cement Plaster 20 mm thick over masonry walls/ concrete surfaces in all positions in two coats in 1:3 mix of cement & sand with Ready Mix mortar including finishing smooth etc. complete. The rate includes cost of cement, natural sanmd, labour, tools and plants etc complete and all lead and lift. Note: 1) Ready 63 Mix platser material of approved brand available in market manufactured with well graded and high quality river sand along with approved brand of cement, water soluble additives and fiber shall be used for plaster. 2) In exceptional circumstances with prior approval, if site mix cement mortar with natural river sand is used for plaster in place of ready mix material, payment will be made at 75% of accempted rate of this item i.e rate will be reduced by 25%.