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| 1 | M&L for OFC 24 core Armoured single mode optical fibre cable all as specified and directed. OFC cable must comply the following parameters :-(a)Cable having four tubes having 06 cores in each tube.(b)Cable diameter (in mm) 12.6mm + 0.5mm(c)Nominal cable weight (in Kg/km) 135 kg for 24 fiber OFC.(d)Nominal drum length of OFC- 01 KM(e)Certification : ISO 9001 -2000 duly accredited and as per guidelines issued by CGM, QA wing of BSNL.(f)Material of inner sheath : core covered with tough weather resistance HDPE.(g)Colour of inner sheeth : black in colour (UV stabilized)(h)Minimum thickness of inner sheath : 1.8mm(j)Outer jacket (sheath) : 0.65mm thick of polyamite-12 (Nylone-12) material orange in colour, provided over & above the HDPE sheath.(k) Moisture barrier protection : By thixotropic flooding compound (jelly)Note:- Specifications which are not covered above, technically / essentially required for smoth function shall also deemed to be included in the quoted rates. |
| 2 | M&L for Splicing enclosure for 24 core OFC optical fibre cable all as specified and directed. |
| 3 | M&L for OFC route marker made out of RCC of size 60cmx30cm curved from top and embeded 30 cm below ground level with PCC 1:2:4 duly painted with yellow paint and marked OFC on both side of route marker all as specified and directed. |
| 4 | M&L for construction of RCC Chambers of size 1.5 mtr dia and1.7 mtr depth alongwith 150mm thick pre-cast RCC cover slabwith RCC (1:2:4) type B-1 using 20mm graded stone aggregates and minimum 150mm wall thickness including necessary excavation, earth work etc, mild steel reinforcement (TMT) of 10mm dia @ 150mm c/c both ways and suitable handle for lifting cover slabs completeall as specified and directed. |
| 5 | M&L for OFC splicing all as specified and directed. |
| 6 | M&L for HDPE pipe 40mm complete all as specified and directed. |
| 7 | M&L for Digging/Trenching, excavation not less than 1.7 mtr depth and 0.4 mtrs width in any type of soil including spreading and leveling of dry river sand 15cm under and 08 cm over OFC cable and laying of old size bricks class B perpendicular to cable across the cable on complete excavated lenth over of OFC as per BSNL norms including returning filling in and removing surplus excavated materials in low lying area complete all as specified and directed. |
| 8 | M&L for Digging/Trenching, laying of OFC by HDD under taxi track including 50mm dia HDPE pipe as per BSNL norms complete all as specified and directed. |
| 9 | Supply and Installation of taxi way (AMAA LED) edge lights Blue on the top of the Existing Transformer CI boxes complete all a specified and directed. |
| 10 | Supply and fixing of 36 watt halogen bipin lamps complete all a specified and directed. (Narva Make or other equilant as approved by the GE) |
| 11 | Supply and laying of HDPE pipe 40mm dia conduit 600mm below in the soft soil and soulder intrenches for Primary CKTS Cables in soil including necessary excavation & earth work, returning filling inthe trench with the same soil and after laying of pipe , removing surplus excavated materials and making area level and clean complete all as specified and directed |
| 12 | Supply and layingof Primary cable 1cx6 SQMM sizes of 5 KV Grade copper conductor, PVC insulated. PVC sheathed, single core, unarmoured in the existing ducts/treanches/Xings keeping 0.5 to 0.6 Mtr loop cables in C.I Box/Man holes complete all as specified and directed. |
| 13 | Supply and installation of 45 Watt, 6.6A/6.6A rating 5000V, 50 Hz Isolating Transformer for the taxiway lights, housing box complete by making connections as required for operating (primary connectors to be issued by client) complete all as specified and directed. (Make : Bilda/Creative/AMA or other equilent as approved by the GE) |
| 14 | Supply and Installation of Transformer housing Cl box of size 330mm dia, 450mm Deep with primary and secondary conduit entry holes (3 Nos) (as for installations of taxi way lights) by concreting 1:2:4 type B-1 grade using 20mm graded stone aggregates, 150mm all around the box with 50mm PCC (1:4:8) type D-1 using 20mm graded stone aggregates at base all as specified and direted. |
| 15 | Supply of secondary connectors of make : EFLA/AMA as approved by the GE complete all as specified and directed. |
| 16 | Supply of Primary connector sets(50P+50R)of make : EFLA/AMA as approved by the GE complete all as specified and directed. |
| 17 | Supply and laying of GI Earth wire 4mm dia alongwith primary cable for loop earthing and connecting to the existing CI boxes complete all as specified and diected. |
| 18 | M&L for earthing complete with galvanised steel plate electrode 600mmx600mmx6mm thick buried directly in ground (earth pit not less than 2.25 Mts deep below ground level with top edge of the plate not less than 1.50 Mtrs below ground level connected to glavanised iron wire of size 4 mm by means of bolts, nuts check nuts and washers of galvanised iron or steelconnected to earthing test point all as specified incl excavation and earth work and disposal of surplus soil incl 40 mm GI tubing light grade and necessary fitting for protection of copper strip incl laying of charcoal dust and common salt PCC (1:3:6) type C-1 using 20mm graded stone aggregate earth pit with 40x40x6mm MS angle iron frame, RCC cover 40mm thick (1:2:4) type B-0 using 12.5mm graded stone aggregate reinforced with 6 mm dia round bar @ 75mm C/C both ways with MS handle 12mm dia, plastering 15mm thick CM (1:6) internally and upto 150mm below ground level externally, PGI funnel with 20mm dia GI pipe for watering and wire mesh complete all as specified and shown on electrical plate No 3 of SSR Part (2009) and connected with the loop earthing GI wire with the near by newly installed transformer housing box incl testing complete all as specified an directed.Note :- (i)GI wire and protectionlight grade GI pipe upto 7.5 meter shall be deemed to be included in the quoted rates. (ii)The earthing value of each earthing pit to be below 1 Ω(Ohm).(iii)Excavation and all earth work shall be deemed to be included in the unit rates as quoted by the contractor. |
| 19 | Supply and Laying XLPE insulated LTUG cable PVC sheathed , beddedarmoured heavy duty electric cable 1100 volts grade with aluminum conductor 95 Sqmm 3.5 core laid intrenches or fixed on wall/floor/poles complete all as specified and directed. |
| 20 | Excavation in trenches in soft/loose soil not exceeding 1.5 mtr in depth and not exceeding 1.5 mtr wide for laying of cables, erection of poles,struts, stays etc and getting out all as specified and as directed by Engr-In-Charge. |
| 21 | Returning, filling in including spreading, levelling,watering and well ramming excavated soil in layers not exceeding 25 cm thick each , filling back in trenches after cables have been laid and tested, poles,stays,struts hane been erected and tested complete all as specified. |
| 22 | Removal of excavated surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all asspecified. |
| 23 | M&L for clean dry sand laid in trenches/ducts for bedding and cushioning to cable, including spreading and levelling complete all as speccified.Note :- Punned thickness shall only be considered for payment. |
| 24 | M&L for laying in trenches burnt brick sub class \"B\" for cable protection laid adjacent to each other length wise perpendicular to the central axis of cable complete all as specified. |
| 25 | M&L for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure all as specified and directed by Engr in charge. |
