10 
TaBLE 9.—Cost data for grading and subgrade. 
BULLETIN 586, U. S. DEPARTMENT OF AGRICULTURE. 
Clearing % Subgrade 
Items. and bel Shaping. Rolling.l complete. 
grubbing. F (total). 
Acres. |Cubicyards. Sq. yds. Sq. yds. Sq. yds. 
hier nt nel agen te SL ee ee ane Salty 5.0 | 11,383.9 | 23,423.9] 5,627.5 15, 627.5 
LB Xe) ats See lb RO Rp aan eee re $189.49 | $4,227.24 | $1, 448.62 $34.65 | $5,900.00 
Materials. os. ae =sccr- tien ae oe tinea Soci ee once e meletic cel neurite sineere- | Seta aie es 211.50 11.50 
Total’ costes ease esa ee cea 189.49 | 4,227.24| 1,448.62 46.15 5,911.50 
Unit COSt ase a eee eee eee 37.89 -3ld | - 6618 - 003 -38 
1 Includes 7,796.4 square yards shoulders. 2 Coal oil, etc. 
TaBLe 10.—Cost data for drainage structures. 
Con- Ds French) Cobble Con- . Brick |Drainage 
Items. | crete BEAD sub- | sub- ee crete eaves copble PENG head | system 
culvert. ‘| drain. | drain. - | gutter. | SUbter- ‘ * | walls. | (total). 
Cu. yds.| Lin.ft. | Lin. ft.| Lin.ft.| Lin.ft. | Cu. yds.| Sq.yds.| No. | Lin.ft.| Cu. yds 
Quantity. -| 1 35. 83 2 323 420 200 100 | 33.96 66 2 146 NI 5987 Ne eee 
Labor....- $221.55 ; $177.57 |$219.79 | $25.62 | $66.28 |$149.00 | $89.48 | $75.16 | $50.15 |$220.08 |$1, 294. 68 
Material. .-|?150.00 |4292.29 | 71.09 ).....-..|.------. 3100. 00 3.12 5.80 () 135. 60 724.62 
Total. -| 371.55 | 469.86 | 290.88 | 25.62] 66.28 | 249.00 | 92.60} 80.96) 50.15 | 355.68 | 2,052.58 
Unit cost..| 10.37 1.45 - 69 128 - 663 7.30 1.40] 40.48 O40) | 2241) |b esoeeee 
1 Includes retaining wall of 5.63 cubic yards of concrete. 
2 Includes 103 feet of vitrified pipe repaired and relaid, labor on the same $29.12, included above. 
3 Estimated. 
4 Of this amount $137.95 was for material bought and not used on Mount Vernon Avenue, and $10.44 for 
separate lengths of vitrified clay pipe. 
5 Furnished by the county. 
TaBieE 11.—Cost data for incidentals. 
J } { 
Super- iene ipet Guard Waste | p d| Miscel W.& | 
Ttems. Hanan) See | BRST) NEN i ortiie: | oes [eee On ID, |b Tash 
ence, | ment. | work. | rail | 772 | stones. |laneous. Ee. 
abort caectecssccceeccs S29051 0) Se seeeees $172.09 |$262.06 |....---- $18.53 | 3 $8.00 |$335. 64 |$1, 086. 42 
Materials 252 aziz oe- semigs soe | oes bias lees 8.75 | 543.29 |$266. 08 6256 seckes [acer 824. 68 
Rent and insurance. ....-- UOC ESO 00) Roseeass Becsansd lageoseselssuuceod Ges seodisoeaseds 1,170.00 
= Motalsecr screens 790.10 | 670.00 | 180.84 | 805.35 | 266.08 | 25.09 8.00 | 335.64 | 3,081.10 
14,519 linear feet at 17.7 cents each. 
2 Includes 20 barrels left on road, lost by overturned barrels burned, and material adhering to staves 
(estimated 1 per cent) and used to dip posts. 
3 Storing extra posts. 
4 Includes rent of roller, $30, also depreciation on roller, heating kettles, and small tools. 
TABLE 12.—Cost data for foundation course. 
: Founda- 
c Loosening - aaah 
Ttems. oes | and load- | Hauling. | Spreading.| Rolling. at Bee: 
Tate (total). 
Tons. Tons Tons. Sq. yds. Sq. yds. Sq. yds. 
Quantityersemtere rene tense 5, 604.4 5, 604.4 5,604.4] 15,487.7] 15, 487.7 15, 487.7 
Taborsit: meres ey, A(R LOA Ee $528.58 | $1,453.30] $470.84 $47.74 | $2,500.46 
Materials 5. < -snicc c= sicgacers: | $324.10 45: 00. 2sccsassaoee oot eee 15. 49 384.59 
Total sae sas oes 324.10 573.58 1, 453.30 470. 84 63. 23 2, 885. 05 
Cost per square yard... . 0209 - 0370 - 0938 0304 . 00408 - 1863 
