Design, fabrication, and fitting of OH gantry for handling electro- mechanical equipments inside/outside the pump room along with allied works for smooth execution of works at LIS Nud Behra.

Amount

Design, fabrication, and fitting of OH gantry for handling electro- mechanical equipments inside/outside the pump room along with allied works for smooth execution of works at LIS Nud Behra.

A) Earth work for excavation of trenches/pits 4 Nos. of size (0.5mx0.5mx1.3m) inside the pump room at LIS Nud behra and removal of excavated material and then disposing off the same at permissible dumping place. The job involves construction of R.C.C Blocks 4 nos. of finished size 0.5mx0.5mx0.5m) for anchoring of vertical square sections. Laying of crushed stone with concrete mass of 1:2:4 and laying of M.S angle (40mmx40mmx6mm) mesh throughout the blocks and cement concrete to be properly grouted within the blocks with complete plastering/finishing including engagement of labour for complete job at site with transport charges for shifting of material at including curing of 4 nos. of blocks. (B) Providing and laying of 8No.s ISMC of size 100mm and 10 ft in height and 08 no.s M.S square plate(0.25 x 0.25 ) be fabricated at site. The job includes erection works at site by way of welding of 100mm MS channel with 8no sq. plates for 4 no. vertical columns to be raised for utilizing 4 no MS plates at bottom of the column and 4 no at top of the column by way of using special electrodes. Job further includes erection of the channels in the laid pits by utilizing manual labour along with tools and tackles for said job. Filling of 4 No pits on opposite sides of pump room with cement concrete mix done at site and erecting the 4 No. vertical columns in the pits then laying of 3 no ISMB of size 150mm of length 20 ft and welding it on top of vertical columns with M.S square plates at the far end of the pump room and other end on the beam which is already placed on the vertical columns erected along the adjacent sides of pump room. The ISMB 150 beam may also be grouted in the walls as per site conditions. Job also involved providing and fitting of 2Ton chain pulley block along with horizontal movement mechanism on the overhead gantry, testing and commissioning of the same. The job included the cost of material, labour charges for fabrication of overhead gantry and welding set & Oxy-acetylene gas equipments, transportation charges, skilled /semiskilled labour charges at the site of installation. Complete job at LIS Nud Behra (C) Fabrication and installation of M.S. Staircase 16′x 2.5′ wide with working platform [2.5′ x 2.5′] from 40mm dia. M.S Pipe for railing and 40×6mm M.S flat for working platform with MS angle iron 40x40x6mm & M.S channel 75x40mm. The staircase comprises of steps bearing size of 2.5′ with rise of 10 inches and tread of 10 inches of each step. The staircase should be properly fixed by way of complete welding of suitable nos. of M.S legs to be grouted in cement concrete along the side of bank of water source and required nos. M.S angle iron raised posts for proper clamping of railing on both sides with suitable nos. of M.S. angle iron and M.S. iron flat supports for M.S. stair case for its proper fixing. The job includes cost of material, labour charges and painting charges by applying one coat of red oxide and two coats of black enamel for its longevity and smooth finish. Job also includes all types of carriage charges of material and tools tackles to site and other associated charges for all materials during carriage/ loading and unloading etc at site Nud Behra. (D) Earth work for Excavation of trenches 2 nos. of size 0.5mx0.5mx1.3m at LIS Nud Behra and removal excavated material and disposing of same at permissible dumping place. The job involves construction of RCC Concrete blocks 2Nos. of Size (0.5m x 0.5m x 0.5 m) adjacent to the suction pipes for anchoring of vertical square sections. Laying of crushed stones 40mm with one layer of 1:2:4 concrete mass, 4” depth, providing and laying of mesh created out of M.S angle (40 x 40 x 6 mm) throughout the blocks after laying of 1:1.5:3 concrete mass to be done at site. Providing and fitting of suitable no. of vertical steel members for all blocks and cement concrete to be properly grouted in the blocks with complete plastering/finishing including engagement of laborers for complete job at site with transport charges for shifting of material at site including curing of 2 no. blocks. Complete Job (E) Fabrication of 2 Nos. 4m height vertical square section of size (0.25m x 0.25m) out of M.S angle of 40x40x6mm size at the base including erection of the square sections by providing/fitting of 4 no M.S Plates of size (1′x1′) at the top as well as bottom of the columns . The job involves shifting of fabricated square section from the workshop to the roadside near the station by engaging transport and then further shifting to the site of installation by head load. Erection of the 2 nos. Square sections by anchoring them in the RCC concrete. The job involves providing and fitting of Girder of specification (ISMB 150) measuring 20 feet and welding it on the top of two square sections by lifting and placing it on sections. Making of horizontal movement mechanism on the overhead gantry for its testing and commissioning. The job includes the cost of materials from various sources of locations of availability in the market, cost of hire charges against shuttering material, plastering / finishing, cutting, laying and binding of steel and M.S steel angles and channel of suitable size etc. ,labour charges for fabrication of structure for overhead gantry and welding set & Oxy-acetylene gas equipment, skilled /semiskilled labour charges at the site of installation including welding by using suitable electrodes of ADVANI MAKE (8no.size).The job also includes providing/ fitting/ installation, testing and commissioning of 2 ton Gantry along with chain pulley block along with allied accessories at already installed Girder duly laid on vertical columns including loading and unloading and transport charges during carriage of other allied materials including chain pulley block at site with cost of complete installation charges etc at site Nud Behra. (F) Realignment of M.S Rising main due to sudden soil erosion and floods by way of relaying of M.S Rising main 300mm dia of length 6m at LIS Nud Behra. Job includes excavation of earth work upto required depth.cutting of rising main at different spots and changing the alignment of the risising main to avoid the soil erosion area and welding of the rising main into layers to make leakage free joint.Job includes clearance of loose soil beneath the rising main as per the site conditions. Complete welding during shifting as well as alignment duration. Job further includes replacement of 300 dia NRV which has been damaged over a period of time needs replacement along with replacement of damaged flanges by way of welding at site. The job included the cost of material, labour charges and hire charges of welding set & Oxy-acetylene gas equipments including transport charges.

N B Engineering and Electric Works

M/S BHARAT MECHANICAL AND ELECTRICAL ENGINEERS

M/S FASTTRACK ENGINEERS