Gabon
Design, Engineering and Consultancy services for ...
Scope of Work :
1. Preparation of SLD of Enfras scope comprising L4, L2,L3 including Rig Road Crossing UGC, Switching stations No.
2. Undertake necessary load studies for L2 (3.17km), L3 (7.94km) & L4 (23.5km) S/C OHL and propose switches along with specification for switches.
3. Conductor Sizing Calculations For New Line L2, L3, L4
4. Typical Earthing design calculation:
a. Standard Tower Foot Earthing (By MS Excel)
b. Earth Mat Design at specific locations (By MS Excel)
c. Additional deep well earthing where resistance is high (By MS Excel)- Typical only one required, where high soil resistivity to be considered.
d. Grading Ring - 1 for rig road crossing, 1 for terminal structure.
5. Typical Earthing Drawings for above designs.
6. Earth fault Rectification study and Recommendation.
7. Underground Cable calculations - Two for rig road crossing (150m and 500m) and Two for Consumer end (200 m and 500 m).
8. Adequacy check for Tap Off (To be compiled by ENFRAS) T-Off locations associated with existing line.