l.Tree species selection
All planting try to choose to comply with the type of local ecological and climatic conditions.
2. Plant material specifications Terminology
(1 tree height, crown width, crown thickness, dimensions do not include the leggy branches the leggy branches cut off, the measured dimensions prevail.
(2 trees (natural high, slightly high, high, height refers to the height of the tip top to the ground after pruning.
(3 crown width (width of the crown, the tree width refers to the average size of the canopy horizontal direction.
(4 trunk diameter (1.2-meter-diameter, stem diameter refers to the trunk from the average diameter at 1.2 m above the ground (a special case, and the other given except for those dual dry, multi-stem or branches of the tree, by projections of basal area.
(5 crown thickness (crown thick, refers to the size of the crown thickness.
(6 mulch soil ball (residential soil ball, the soil column refers to the average diameter of the ball of soil around the plant roots before and after transplant.
3. Plant material inspection standards
Before the use of the plant material, whether as a result of new planting, replanting, for the plant shall be subject to inspection and approval of Party, who fail should be readily transported away, permitted to withhold the scene, if the following circumstances, shall not be used:
(1 not meet specifications size.
(2 significant pests and diseases, and broken branches on dry, cracked dry fertilizer damage, injury, old and feeble, aging, bark breaking injured.
4. Soil ball mining standards
(1) mining trees should DBH 8-10 times the diameter of the soil ball, its depth depending on the species root disk shades.
(2) Shiqiu dug properly first idiot wrapped soil ball, and then tied to rope, first horizontal bar, and then ramp tie, cross tie dense to complete soil ball packaging by 30 cents, or 4 angle strapping method, and finally to rope tied to the trunk fixed before digging down trees removed after taking out the bottom of the soil ball packaging not exposed soil shall prevail
(3) trees below a taproot or coarse root hacksaw saws neat incision, not torn, especially can not hack round shovel.
(4 trees lying on the ground, broadleaf trees should be cut off the leaves and young shoots. Coniferous trees are not cut.
(5 pruning to keep the Shuzi beautiful retain asperata cut off the bad branches collateral outside sprig. Should make the crown easy to air and light, and to prevent disease and insect pests.
5. Plant materials transportation standards
(1 arbor transportation should be pre-dressing the tree trunk and canopy, so as not to affect the survival rate and Shuzi deformation.
(2 large trees to crane lifting, handling should pay attention to the branches shall not be broken, the soil ball, especially non-ruptured.
(3 transport by Body partial sequence of forward loading, the branches not upwind and installed.
(1) can not be shipped within 24 hours up to the scene, the way in time to check and take moisturizing measures.
(2) If the crown beyond the vehicle too long, too wide, too high, the application significantly are marked.
6. The site site preparation standards
(Site preparation of the terrain with the planting shown in the drawing.
(2 site preparation should be based on the actual situation at the scene is divided into coarse soil preparation and fine soil preparation. The coarse soil preparation backfilling soil application does not contain any garbage pure soil, complete watering tamping, before any fine the whole, fine soil preparation backfill should added plant organic matter, organic matter content should be not less than 3 cubic meters / 100 square.
(3 site preparation of terrain to consider the sluicing slope and soil angle of repose for sloping its slope should be smooth and complete, in addition to the drawings, particularly off-label non-bumpy uneven.
(4 site preparation should be located in the setup guide groove terrain Valley in order to guide drainage, avoid directly eroded by surface runoff.
7. Planting hole excavation standardsLinks to free papers Download Center http://eng.hi138.com
(Planting hole location must match the planting drawing and underground, ground civil buildings poles equilibrium configuration diagram, may be allowed by the relevant adjustment plant spacing, and take into account the future crown, root development, could make a little shift.
(2 the width of the planting hole depth, on average four weeks and the bottom of the soil ball should be reserved for 10-20CM width standard excavation in order to backfill the new soil, I soil in addition to the soil with excellent not backfill if waste amount of soil drainage soil preparation, to be shipped off site.
(3 new soil planting hole should be sandy loam soil containing organic matter, and other are not allowed to use.
(4 new soil and provisions to backfill the plant empty the sandy loam, shall be submitted in addition to the gravel, cement blocks, bricks and other harmful impurities before they can be used should not be less than 1/4 of the total amount of soil organic matter added.
(5 large trees planting hole depth 1M to 1.2M, preferably planting hole the bottom 10CM to 15cm thick soil layer.
(6 shrub planting hole depth best 35Cm 45Cm, the planting hole the bottom 10Cm - 15Cm thick soil.
(7 to the lawn of the new soil thickness of at least 10cm.8. Plant planting standards
(1 with the planting drawing shown in main first planting larger trees, and then configure small trees and shrubs.
(2 plant material should be perpendicular to the earth, planting deep planting hole on the line should be less than 5-10Cm principle, not too deep too shallow, Reclamation should consider the rate of subsidence of soil a long time.
(3 planting the bottom of the planting hole should be set ripper 10-20Cm thick the backfill should use the fixed component of fertilizer mixed soil, the four weeks soil should be graded planted, while irrigation fully compacted, tamping should be taken to avoid injuring the roots and mulch soil ball, and then the surface layer is set loose soil, in order to facilitate the absorption of moisture air.
9. Pillar specifications
(1 pillar is appropriate when planting was established after planting properly coupled piling to fixed.
(2 sloping planting, should pay attention to the direction of the drain off rain to avoid washout roots soil.
(Should be at least 3 fir pile length 2m, the horizontal strut length should 60Cm more, the end diameter should above in 5Cm, and should be skinned after cleaning brush tung oil, anti-corrosion.
(4 tip sharpened into the soil in order to firmly into the soil depth should 50Cm above and should be excavated 30Cm gavel to gavel into.
(5 pillars for the new product should rot termite crease bending and split split may not be used.
(6 pillars and horizontal strut application fixed after truss with wire nails.
Pillars affixed trunk (7 parts padded with fine linen or fine coir rope fastening and tie a knot, so as not to be shaken.
10. Late management, protection, nurturance standard
(Trees and plants and maintenance period of protection, inspection starting 12 months since the completion of all planting works.
Replanting part of the qualifying date of 12 months since the re-examination.
(2 Management: turnkey contractor shall be responsible for the protection and maintenance management 1 cut work. Including the usual watering, drainage, prevention of human and animal hazards, wind damage, pest and disease control, pruning, cultivating, weeding, watering of the number of times depending on the species and weather, unless rain, otherwise, should be within one week after planting, every day watering once about two days, two weeks, three weeks is about 1 or 2 times of the week, the most important by soil moisture. dressing required 60 days before planting survival effect of chemical fertilizers application shall be planted survived 3 months before, the contractor and the type and amount of fertilizer should be decided according to the habits of plants such as trees shaken or tilted, at any time righting practical re- fixed pillar strapping loose hemp should always be re-tied tight, decay and should be updated.
(3 regular inspection of trees monthly flower inspection once every ten days, and records for examination.
(4 turnkey contractor shall within six months after planting project completion estimates experience according to the original design the plant and given specifications negative unpaid replanting for-sik responsibility.
(5 completion inspection found inconsistent with the provisions of, should immediately change plant. Inspection found a little side wilt, a serious pest fold harm and so no recovery the hope should immediately replace found dead, half dry no feed hope, should immediately replanting herbaceous flowers with soil or poor management affect flowering time was half withered state must change at any time in accordance with the owner / consultant agencies indicate plant.
Is not specified in the drawings and construction manual or detailed work, but the work to be done in general gardening technically necessary, should be at the disposal of the owner / consultant agency instructions handled.Links to free papers Download Center http://eng.hi138.com