532 IOWA DEPARTMENT OF AGRICULTURE. 



COST OF TILE DRAINS. 



The following data show the average cost of tile drains during 1903 in the vicinity of the 

 college. Local markets should be consulted before applying them elsewhere. 



Cost of 



Price per Weight hauling 1000 ft. Cost of laying, per foot 

 Size of Tile. 1000 per foot for 5 miles. in depth per rod. 



feet. Lbs. See Note 1. See Note 2. See Note 3. 



4 inch . $ 20. 00 8 I 5. 00 8c to 15c 



5 inch 27.00 10 6.25 8c to 15c 



6 inch 37.00 12 7.50 10c to loc 



8 inch 58.00 20 12.50 12c to 15c 25c 



10 inch 85.00 30 18.75 15c to 20c 25c 



12 inch 115.00 40 25.00 30c 



15 inch 255.00 50 31.25 35c 



18-inch tile and larger sizes are "special" at many yards, and prices and weights 

 should be obtained as needed. 



Note 1. Cost of hauling is based on expense ofi$1.25 per ton, two trips per day. 



Note 2. This includes digging ditch and laying tile, filling to be done by owner. 

 Price given assumes ordinary work in good soil, the smaller price being for shallow 

 work. 



Note 3. This is taken from prices for mains laid in wet soil in large drainage districts. 

 It includes digging, laying and filling. 



Example 6. Find cost of a main drain, there being 1500 feet of 1.5-inch tile, and 1200 

 feet of 12-inch tile, average depth 5 feet, length of haul allows two trips per day. 



Answer : 



Tile. 1500 feet 15-inch tile @ 3255. 00 = $ 383 

 1200 feet 12inch tile @ 115. 00 = 138 



$ 521 



Hauling. 1500 feet 15-inch tile @ $31. 25 = $47. 00 



1200 feet 12-inch tile @ 25. 00 = 30. 00 



% 77 



Laying. 91 rods 15-inch tile @ $ 1. 75 =$160.00 



73 rods 12-inch tile @ 1. 50 = 110. 00 



$ 270 



Engineering commissioners' fees, etc. , 

 (depending on character of work) say 



5% 42 



Estimated cost. $ 910 



THE CONTRACT AND SPECIFICATIONS. 



It is advised that a definite arrangement be made between property owner and con- 

 tractor in regard to drain construction, and this should be in the form r f a contract signed 

 by both parties. The following specifications and form of contract is taken from Mr. C. 

 G. Elliotl's ' 'Engineering for Land Drainage, " and is recommended for general use. 



CONTRACT. 



It is hereby agreed between employer, and contractor, 



that the said will construct the following named or described tile drains in 



accordance with the foregoing specifications, at the prices herein named, and that he will 

 begin the work on or before and complete the same by 



Witness the hands of the respective parties, this day of 



Employer. 



Contractor. 



