Pls i will like to be corrected with my below write up as letter to be issue out to a contract winner.

"I am pleased to inform you that you have been awarded a contract to supply and install the following electrical equipment at the cost of …,
1. Four electrical solar batteries with capacity of 24 volt each
2. Two electrical solar inverters with capacity of 5000 watts each
3. Two electrical solar panels
This is due to the satisfactory explanation of your tendered proposal which the council has studied and approved. You are expected to make the mentioned electrical equipment available not later than 31st January 2011.
Your supplying and installation are subject to fulfillment of good working condition of the equipment before any payment will be made to you by cheaque.
Accept my congratulation."