thanks for the reply but i need a documents which can be downloaded free, i saw this documents in scribd.com but when i get back to the website i couldn't locate it. can any one help me locate this document which i remember the title is something like "Standard production rate......"
im new in construction estimate and find difficulty in estimating the the of laborers i needed...can someone help me find an article which give me the rate of productivity for various construction work,