State what factors need to be considered when tendering an estimate for a contract. (b) Before tendering as a contractor supplying materials and equipment specified by the client, state briefly some checks that should be made prior to compiling the tender in order to determine any contract clauses, contingencies or unforeseen circumstances that may affect future profits. (c) Prepare a tender/estimate for the installation of 20 steel street lamps in 5 streets of a small town to replace ageing concrete lamp standards, using the following information. The holes for the lamp standards have to be excavated using manual labour. The old concrete lamps need to be removed using a lorry mounted crane or ‘Hiab’, which also serves as an extendable high platform