Site Visit Combined1

Tender : Duqum Power Plant Site Visit by Mr. Mayukh Datta (LTEM) & Mr. V. Sreedharan (LTO) : Sur Power Station (on 28-05-07) The purpose of the site visit was to get first hand information about the condition of the 4 nos DG sets located at Sur Power station which are to be shifted and installed at proposed Duqum Power station with all related E&I parts as mentioned in the tender. The representatives from the following agencies gathered at 11-00 Am for this common site visit programme organized by the Client & the total duration of the visit was 3 hrs. The bidders visited site: 1) 2) 3) 4)

L&T Electromech LLC Global Chemicals & Maintenance Systems LLC Oman National Electric Co (SAOG) HICO

Apart from these agency representatives, Mr. Milosav (EnergoProjekt), Mr. Balbir Sinh (ONECOperations) & Mr. Javed (Zawawi Trading Co LLC) were also present. Site condition: • • • •

Site is by the side of main road. So accessibility may not be the problem for heavy eqpt mobilization for dismantling of DGs. Approach to the DG house is smooth (through a gate). To crane entry into the DG house, gable end structures and sheetings are to be removed first and dismantling should start from engine no 14 (Refer site photo). For any O&M details Mr. Balbir Singh (ONEC O&M) #99350638, may be contacted

E&I feedback: Pl refer separate report made by Mr.V.Sreedharan (LTO)

Gable end structure (view from outside) Gable end structure (to be removed for crane entry)

Engine no-8 Total weight of the equipment Year of production

: 155 T (with generator) : 1984

Engine No-12 Total weight of the equipment Year of production

: 170 T (with 50T generator) : 1984

Existing Piping connection

Electrical Panel

Engine No-13 Total weight of the equipment Year of production

: 170 T (with 50T generator) : 1973

Engine No-14 Total weight of the equipment Year of production

: 155 T (with generator) : 1994

Other site photographs

Salalah Power plant Site Visit By Mr. P. M. Ravindra (LTEM) & Mr. R Shyam Sundar (LTO)

List of contractors participated in the site Visit 1. 2. 3. 4.

ONEC/ Mr. Surender Sing. Global / Mr.Hassan 99095612) Hico / Hrbudan Ali Soleimani 99289670) L&T Electromech

Consultants Participated in the Site Visit. Mr. Milenco mechanical engineer -Energo Projects Mr. Mica Biocamin Electrical engineer- Energo Projects (Not present .Mr. Drago PM 9930687 for any other clarification in future.)

Observations/Points highlighted by consultants during the site visit Building. (Industrial type steel structure) Size of the existing building -18m wide X 90M long with 3 Rolling shutters and 25 T Gantry crane

Mechanical Information Having clear access to dismantle Generators and transport. by jacking Generators are in working condition and are approximately beyond 25 years old. No proper record of how meny hours it has operated till date. It has been assessed roughly around 20000 hrs. Previous record shows that engines have delivered a maximum out put of 85%. Engine details are matching with details provided in tender documents. Consultants confirmed that no need to relocate radiators, Air filters instead to be provided new. Global is existing maintenance contractor. He can be contacted any time for any further details on engines performance 99095612. EOT crane SWL- 25T Make Munck Model 1341 Hebburn to be relocated along with crane girder.

Electrical Information. Engine panel and remote panel to be relocated along with the engines. (Scope mechanical –LTEM) Engine panel solenoid operated (10 nos solenoids/ 21 cables) Battery & Battery charger shall be provided new. Transformer Panels to be shifted. T3 and T4.

Auxiliary panels for 4,5,6,7 and 8 and its related cables to be shifted. Station services Panel to remove and refit for access purpose. Earthing transformers to be provided new one. 11Kv direct type and 33Kv resistance type. 11Kv Panel to be provided New and old in connected with net work and can’t be disturbed. Common Alarm Panel for generator and substation to be provided new. All other new equipment shall be provided as list out Volume 2 part 1 page 12 of 15.

Conclusion. Site vist was very informatory and got all necessary details and lasted for about 4 hours. Met all the competitors and consultants. Exchanged visiting cards with consultants and communication channel and rappo has been established.

Duqum Site visit for both Desalination & Power plant By Mr. Anil Barboza (LTEM - MOD site) Following points may be noted: 1) The site is approximately 3 km from Duqum town. 2) The main site is in hilly area, grading works to be carried out as a part of the EPC scope with all access roads etc. 3) Camp may be set up at site (after grading) or at Duqum town. 4) Electricity/water is to be arranged by the contractor. 5) The client/consultant is changing the route of the sea water intake pipeline (reducing the length from 1.8 km) 6) Soil condition is rocky. 7) It is understood that the Client/Consultant had done some initial land survey and we need to ask for the report to understand the quantum of the grading works.

Actual site location