Refer to the cost data, Picture below. Take off the square feet of wall forms and cubic yards of ready mix concrete for the walls of the elevator pit. Determine the total material and labor cost for the wall forms and ready mix concrete. After answering your question which must show all the formulas and all procedures

Cost Data
Material	Unit	Material Unit Cost*	Labor Unit Cost*
Wall forms, Job built	sq ft contact area	1.28	4.25
Concrete, ready mix, 3500 psi	Cu yd	67	-

#4 @ 16 3'0 78" #4 TYP #4 @ 12 V. #4 @ 10 H. in 2-#4 CONT 6" CONT. WATER STOP NEUTRA.PIT ONLY #418" EW 8" 8" ELEVATOR PIT -8" SLAB W/#4 @ 8" ELEV. PIT ONLY #4 @ 18" 9 TYP 11'-10 3/8 67'-9 5/8 ELEV. EQUIP. RAM 9"-10 S1.2 Print 6-2 2008 American Technical Publishers, Inc. All rights reserved. 4"