Rainwater Harvesting Arrangements work and New Constructions of Manhole and RCC pipe Line Arrangements work at Thiruvika Highere Secondary School in ward no -22

Amount

Providing RainWater Harvesting arrangements in corporation building by inserting of 150mm PVC slotted casingpipe, including earthwork excavation for 900mm precost cement Ring 5nos filling with One,three,Fifth Ringsare 40mm metal and Two and Fourth Ringsare Sand providing necessary pipeline arrangements eith std specification etc, complete TWAD 23-24-Pg.No-98-Sl.No-148

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc. complete.TWAD Pg.no-322

Earth work excavation in all kinds of soils except hard rock requiring blasting, inclusive of shoring, strutting and baling out water wherever necessary refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated depositing the surplus earth within compound in places as shown by the deptl.officers, clearing and leveling the site with initial lead of 10M and lift of 2M etc.Comp.

Supplying , Laying and jointing of NP-4 Class RCC pipe with socket and spigot ends as per IS 458/2003 manufactured with sulphate resistant cement with 12mm HI- alumina lining with rubber ring joints.TWAD Pg.no-66,67,277,278

Construction of manholes using Sulphate resistant cement at various sepths to invert including earth work excavtion as per SS20B, laying cement concrete in C.M 1:3:6 using 40mm B.G. jelly for foundation ,sinking well kerb below G.L.for 4.5m depth and above,pumping,timbering charges for 2.5m depth and above,stock brick work in C.m. 1:3,for 23cm thick wall and over 23cm thick wall,plastering interior with C.M 1:3,20mm thick and exterior with C.M 1:3,12mm thick,laying plain cement concrete 1:3:6 using 12.0m to 20mm B.G. jelly the frame, providing C.I. steeps,manhole cover and frame etc., complete for the following sizes for eah manhole (As per the type design drawing for manholes). BUIL -Pg.no-93,94 1.00m Depth

1.50m Depth

Dewatering using 3HP to 70HP disal engine pumpset including Hire charges ,cost of Diesel,Engine Oil,Pump operator,labour charge,conveyance of pumpset and fuel to site and back,loading,unloading and any other incidental charges etc.,complete. TWAD 23-24-Pg.No-321

Refilling the trenches with suitable excavated earth available along the alignment after the pipes & specials are laid, jointed & tested in layers & watering, ramming & consolidation directed by the Engineer-in-Charge.

Barricading work (Where,there is less traffic areas and broader roads etc.,) for laying of pipe line using casuina poles at 1.50m center to center (8cm to 10cm dia 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint,tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earthwork excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as diected by TWAD board officers. Pg.No-335

Supply of Manhole Cover SFRC 90x90 cm (Frame with Cover) MDU - CORP-BUILDING DATA -P-12-SLNo: 248

Raising the existing circular manholes in heavy type including removing the existing manhoke cover with frame by dismantlimg the existing cement concrete and tar road surface alround the manhole raising the manhole with cement concrete 1:2:4 (one cement two and four aggregate ) 25cm height including centering insid the manhole raising, laying 15cm tick cement 1:2:4 with 20mm granite chips including finishing the top surface of manhole Alround etc., complete.ROAD DATA - Pg.No-26

Add GST 18%

AR CONSTRUCTIONS (BID ID -1219472)