Construction Of Piezometers In Sivagangai , Ramanathapuram And Virudhunagar Districts Construction Of Piezometers

Tender Notice

25803857
Construction Of Piezometers In Sivagangai , Ramanathapuram And Virudhunagar Districts Construction Of Piezometers
Indian
Tamil Nadu
23-10-2020
11-11-2020
11-11-2020

Tender Details

Construction Of Piezometers In Sivagangai , Ramanathapuram And Virudhunagar Districts Construction Of Piezometers

Key Value

Document Fees
Refer document
EMD
INR 41000.00 /-
Tender Value
INR 20.26 Lakhs /-

BOQ Items

Name of Work:CONSTRUCTION OF PIEZOMETERS IN SIVAGANGAI,RAMANATHAPURAM AND VIRUDHUNAGAR DISTRICT UNDER NHP.
Sl. No. Item Description Item Code / Make Quantity Units
1 1 Drilling of bore wells in alluvial soil or sedimentary strata of clay and sand or sand stone, shale, pebbles, boulders etc., by first taking a pilot bore of 150 mm dia and then enlarging to the required dia by direct or reverse rotary mud circulation method including charges for all T&P, cost of fuel, labour charges, bentonite mud and water required for drilling at the site shown by the departmental officers including construction of mud pit etc., complete. BI01010001010000000000000515BI0100001112
2 1.01 Upto 60m depth ending below ground level BI01010001010000000000000515BI0100001113 370 RM
3 1.02 Above 60m depth upto 90m. BI01010001010000000000000515BI0100001114 40 RM
4 2 Drilling of 160 mm dia bore wells above the overburden soil in hard rock areas to the required depth as directed by the departmental officers including labour charges for inserting casing pipes assembly in the drilled holes, if necessary grouting the casing pipe etc., including transportation charges for the rigs and supporting vehicles from one place to another place (the casing pipe has to be supplied by the contractor at the rates noted in a separate item) 145 RM
5 3 Drilling of 110 mm dia bore wells above the overburden soil in hard rock areas to the required depth as directed by the departmental officers including labour charges for inserting casing pipes assembly in the drilled holes, if necessary grouting the casing pipe etc., including transportation charges for the rigs and supporting vehicles from one place to another place (the casing pipe has to be supplied by the contractor at the rates noted in a separate item) 20 RM
6 4 Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site ( Site will be shown by the departmental Officers) including construction of mud pit.(only Calyx drills are to be used). 20 RM
7 5 Reaming the bore well from 150mm dia pilot bore to 300mm dia bore as directed by the departmental officers
8 5.01 upto 60m depth ending from ground level. 370 RM
9 5.02 Above 60m depth upto 90m. 40 RM
10 6 Reaming the bore well from 150mm dia pilot bore to 300mm dia bore as directed by the departmental officers (for Calyx drill) 20 RM
11 7 Labour Charges for inserting PVC casing pipes assembly (with slots or without slots) in the drilled hole including the jointing the pipes with PVC couplers with cement paste etc. complete 410 RM
12 8 Labour Charges for inserting PVC casing pipes assembly (with slots or without slots) in the drilled hole including the jointing the pipes with PVC couplers with cement paste etc. Complete (for Calyx drill) 20 RM
13 9 Provision for Labour charges for pumbing test by providing all machinery and accessories required and including cost of transportation charges and flushing the borewell for 2 hours (as per quotation) 8 hrs
14 10 Supplying and fixing of MS clamp for holding 110mm / 75mm PVC pipe borewell platform including cost of materials, Labour charges, Conveyance charges etc complete. 4 nos
15 11 Charges for developing the bore well with air compressor of 300 CFM capacity (minimum 8 Hrs.) including transportation labour and fuel charges for compressor as directed by the departmental officers and conducting yield test by ' V ' notch methods. 40 hrs
16 12 Supplying of PVC casing pipe assembly (with slots and without slots) in the drilled holes including jointing the pipes with PVC couplers with PVC adhesive etc., complete and supplying and packing annular space with pebbles of size and quality as approved by the Departmental Officers.
17 12.01 160 mm dia casing pipe assembly without slots 233 RM
18 12.02 160 mm dia casing pipe assembly with slots 215 RM
19 13 Supplying and fixing of 110 mm dia 6 Kg/ cm2 PVC inner pipes with Clamps suitable to dia of Bore well provided with slotted to the required depth as directed by the departmental officers etc., complete complying with standard specification. 176 RM
20 14 Supplying and fixing of 75 mm dia 6 Kg/ cm2 PVC inner pipes with Clamps suitable to dia of Bore well provided with slotted to the required depth as directed by the departmental officers etc., complete complying with standard specification. 60 RM
21 15 Earth work open well excavation complying with relevant clauses of TNDSS well sinking and with lead upto 10 m in sand silt or other loose soil, wet soil or silt not under water, light black cotton soil, sand loam and ordinary soil - first depth of 2 m. 9 m3
22 16 Cement Concrete 1:2:4 (One Cement,two Sand, and four hard broken granite jelly) using 20mm hard broken granite jelly and river sand to the work including centring, curing and finishing etc., complete complying with the standard specifications. 15.3 m3
23 17 Plastering with Cement mortar 1:3, 12 mm thick complete complying with standard specifications 58.5 m2
24 18 Fabricating and supplying of Protection Box for observation bore well using 5 mm thick M.S. Steel Plates to the dimension of 650 mm * 400 mm. Height of box at rear side is 530 mm and 450 mm at front side. Top cover with projection to be provided with necessary hinges and pad lock arrangement to open and lock the box. Necessary arrangements to be provided at the bottom of the box to embed the box with concrete platform.The cost includes all materials, labour for welding, one coat red oxide primer, painting with two coats of approved enamel paint, Bolt, Nut, Dindigul/Godrej Lock and Key, writing the bore well details on the protection cover and transporting to the following bore well site as directed by the departmental officers.As per Quotation. 9 nos
25 19 Supplying of M.S.Grill enclosure of size 1.50 x 1.50 x 1.80 inclusive of one M.S. Grill gate of size 0.75 x 1.50 m and covering the top portion of size 1.50 x 1.50 m as per specifications. The M.S. Grill enclosure should have 5 Nos. of the vertical M.S. Angle of size 40 x 40 x 6 mm for the four corners and one at near gate. The alround horizontal ties are done with three numbers of 40 x 40 x 6 mm M.S. angle one at bottom, one at middle and one at top, 16 x 16mm M.S. Square rod are to be provided in between the vertical angles at 15 cm c/c. in all the four sides and top.The gate should be of 0.75 x 1.50 m size with 40 x 40 x6 mm M.S. angle alround and one horizontal at middle including 16 x 16 mm M.S. square rod between vertical ties at 15cm c/c with necessary aldrop for locking arrangements. A 0.60 x 0.60m size name board plate of 6 mm thickness should be welded on the grill gate. The cost includes all cost of materials required, labour charges for cutting threading, welding, bolt and nuts, one coat red oxide with two coats of enamal paint, Writing Letters on the name board etc complete as directed by the departmental officers. 9 nos
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