Dismantling of existing corroded Pretreatment tank, fabrication, erection and commissioning of new pretreatment tank, reinforcing the damaged RCC foundation, CRB painting of inner and outer tank area and foundation beam area including supply of M.S p

Charges for dismantling the flash mixer and floculator, stilling tank dismantling their corroded supporting channels by gas cutting, removal of FRP sheets and grill assembly channels and walkway grill, transporting the scrap material to VGTPS stores from site including the hiring charges for gas cutting set and 12 T crane under the direction of engineer in charge

Charges for transporting M.S Channels, flats from VGTPS stores to site, cutting the channels and flat to size, positioning the supporting channels back by welding and positioning the FRP sheets, commissioning the flash mixer, floculator, stilling chambers and grill support channels and walk way grill including the hiring charges for gas cutting set and 12T crane under the direction of engineer in charge

Charges for dismantling the supporing base bolts of pretreatment tank, cutting the pretreatment tank by gas cutting set and removal by the crane, bottom supports, side support angles and transporting the removed pieces to VGTPS stores for devolution including the hiring charges for gas cutting set and 12 T crane under the direction of engineer in charge

Charges for transport of new MS ' I' Beam, M.S 'L' angle, Channels, M.S foundation bolts and 10mm thick M.S Plate for base plate from VGTPS stores to site, cutting them to required size, positiong and welding of the new I beam, cross support ''L ; angles, drilling and fastening the foundation bolt, strengthening the existing RCC foundation by increasing the height of the support upto 500mm ( 6 nos) including the cost of concrete materials as per the direction of engineer in charge.

Positioning of Pre Treatment Tank: Charges for Positioning of Pre Treatment Tank and transport of MS plates (10 mm thick, and 6 mm thick) from VGTPS stores to site, cutting the plates to required size and positioning of PTT by using crane, including the hiring charges for gas cutting set, 12T crane under the direction of engineer in charge

Welding of M.S plates for fabrication of pre-treatment tank: Charges for welding of M.S plates (10 mm thick and 6 mm thick), support angles, reinforcement angles by edge preparation by grinding, tagging, root welding, run welding DPT testing and rewelding under the direction of engineer in charge

Painting two coats of CRB paint (Chlorinated Rubber Base Paint): Painting two coats of CRB paint for Inner, outer surface and foundation beams, cross angles and supporting channels and beams of PT Tank, proper cleaning of surfaces, painting two coats of CRB paint for the subject area, following strict safety measures throughout the work and including cost of Paint and labour as per the direction of Engineer-in-charge

SUPPLY OF MATERIALS: M.S PLATE 10 mm thick

M.S. Flat (40 x 5 mm thick)

M.S. Foundation bolt with nut size M 20 x long 300mm

SS 316 Bolt with 1washer and 1 nut size M 16 x 60mm

FRP sheet (2000mm length x 990mm width x 4mm thickness with horizontal and vertical center reinforcement)