7.1.6 Project Management The Bidder shall furnish in the Technical Documents which consists a complete description of its intended method for Project Management including the proposed Management Organization, Work Organization and proposed Communication Organization between the Bidder and BTCL. The Bidder shall also provide a detail Work Plan with his bid. The Project Management Personnel must have adequate knowledge for technical discussion in Bangla as well as English. 7.2 TECHNICAL SPECIFICATIONS OF OUTSIDE PLANT (OSP) MATERIALS 7.2.1 DWC Pipe specifications: Double Walled Corrugated (DWC) HDPE Telecom ducts will be used for Bridge/Culvert crossing. The specifications of the DWC as follows:- No Parameter Specification 1 Construction There shall be no sharp edges, burs or surface projections 2 Outside Diameter 90± 1.7mm Inside Diameter 76 ± 0.9mm 3 Wall thickness Outer layer: 0.7 ± 0.1mm, Inner layer: 0.9 ± 0.1mm 4 Compression Test >450N @ 5% defln. After the test, there shall be no crack allowing the ingress of light or water between the inside & the outside. 5 Impact Test There shall be no crack allowing the ingress of light or water between the inside & the outside 6 Bending Test Samples bend to 90 degree to a radius of 02(two) meters. A ball of dia 95% of ID will pass freely. 7 Length Minimum 6 meter 8 Color Any (Gray preferred). Pre-Tests: Prior to use these items, all the HDPE ducts& DWC ducts shall be pre-tested. This will be ensured in two phases- Factory Tests and Performance Tests. 7.2.3.1 Factory Test Certificate: The Bidder shall submit a copy of the Factory Test Certificate(s) of the goods to the Project Office. If the Factory test Certificate conform to the Technical Specifications of Clause 7.2.1 & 7.2.2, the Project Director will allow the Contractor to proceed for Performance Tests.
The detail specification of M/H cover and frame should be as follows: - The M/H cover and frame must withstand load of 400kN. - The M/H cover overall diameter must be ≥. The M/H cover shall be made by cast iron. - The M/H cover and frame shall be designed to fit together in such a way that there is no risk of rocking. - The top surface of M/H cover shall have the “BTCL” mark on the cover center and profile shall be made. - The M/H cover must be properly connected to the frame with suitable arrangement to avoid theft. - State the details of M/H cover and frame (dimension, weight etc.) and submit drawings with load test results and standard method for load test in order to demonstrate the proof of load withstanding capacity of 400kN. Standard type of Manhole a) The inner size of the standard type of manholes is tabulated below: Type Length (cm) width (cm) Height (cm) Wall and Floor thickness (cm) No. of conduits to be accommodated for Termination No. of conduits to be accommodated for along the path S-1 220 130 180 20 4 4 b) The inner size of the standard type of manholes is tabulated below: Type Length (cm) Width (cm) Height (cm) Wall and Floor No. of conduits to be accommodated for Termination No. of conduits to be accommodated for along the path S-2 320 130 200 20 4 8 The dimensions shall have the following tolerances. Inside Dimensions (i) Length: ± (ii) Width: ±15mm (iii) Height: ± cm)
This test should be performed on all fibers between Optical Cable Terminal (OCT) of each section by means of an Optical Power Meter set using table below; Test item Testing at Test Method Performance Remark Continuity test, post placement 1310±20nm 1550±29nm Back Scattering 1310nm: 1550nm: To verify any error during cable blowing/pulling Post splicing test Back Scattering 1310nm: 1550nm: To justify the integrity of splicing Total attenuation Cut Back 1310nm: 1550nm: Quality inspection prior to termination Final Acceptance Test Intersection 1310nm: 1550nm: For acceptance after completion of a Section/entire work