Figure A-1 Sample technical specification for stone wall. (Courtesy of Dunbar Jones Partnership, Des Moines, IA)

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Figure A-1 (continued)

Figure A-2 Sample technical specification for concrete pavers. (Courtesy of Dunbar Jones Partnership, Des Moines, IA)

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Figure A-2 (continued)

Figure A-2 (continued)

Figure A-3 Sample technical specification for landscape accessories. (Site amenities, courtesy of Dunbar Jones Partnership, Des Moines, IA)

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Figure A-3 (continued)

Figure A-4 Sample technical specification for concrete paving. (Courtesy of Dunbar Jones Partnership, Des Moines, IA)

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Figure A-4 (continued)

Figure A-4 (continued)

6 x 408 = H

2408 = 30’

H= Tree height

H 6’

40’Tree shadow

8’Shadow

Figure D-1 Calculating the height of an object using a ratio.

H

D120’

D x tan a = H

120’ x .90 = 108’D = Distance from treea = Angle to top of treeH = Tree height

a = 42°

Figure D-2 Calculating the height of an object using a trigonometric formula.

Ponded area

20' R

Average depthof ponding = 3"

Area calculation: 3.14 (202) = 1,256 SF

Volume calculation: = 314 CF1,256 x 3

12

French drain length required: = 262 LF of french drain required (drain dimensions of 12" wide x 42" deep, with 6" soil cover)

3141.2

Figure D-3 Calculating length for french drains.

Figure E-1 Sample bid form for irrigation work. (Courtesy of Frank Niccoli, The Village Gardener, Redwood City, CA)

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Figure E-1 (continued)

Figure E-2 Sample bid for fence installation.

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