( -2 



( 'allege of Forestry 



TV. Street Tree Planting Specification No. 4. 



(a) Cutting Pavement : 



The sidewalk pavement over the area of the tree pit shall 

 be removed so as to provide an opening 4 / x6'7". The 

 outside or street edge of this opening shall be one foot from 

 the outside edge of the sidewalk curb. The margin of the 

 opening shall be, provided with a half-inch ledge to receive 

 the grating in such a way that the grating shall lie flush with 

 the sidewalk. 



(b) Grating: 



A cast iron grating 4' x 6' 6" designated as style " Knick- 

 erbocker " shall be provided. This grating is shown on the 

 accompanying drawing of Planting Specification No. 4. 



(c) The detail requirements regarding sub-soiling, ferti- 

 lizer, tree, guard and stake shall be as stated in Planting 

 Specification No. 1. 



Estimate: 



Excavating and sub-soiling $6 00 



Cutting and trimming pavement 3 00 



Grating 20 00 



Guard 7 00 



Tree delivered 1 50 



Stake 50 



Planting and miscellaneous labor 1 00 



Cultivation and replacements until tree is 



established 1 00 



$40 00 per tree 



V. Street Tree Planting Specification No. 5. 



This is the type of specification already in use by the 

 Park Department, detailed specifications and drawings of 

 which are on file in the office of the landscape architect of 

 the department. The estimated cost of this type of planting 

 is from $50 to $60 per tree, according to number of trees 

 planted at one time. (See estimate in office of Landscape 

 Architect of Park Department.) 



