1. Project overview:

There are 7 procurement projects for greening blood vessels under the jurisdiction of Jin Quan Sub-district Office of jinniu district Municipal People's Government, with a total area of about 285,992 square meters. The service life is one year, and the cost of greening blood vessels is about 6.5438+0.287 million yuan.

2. Work content and technical requirements of the project

(1) Project Work Contents:

The scope of greening blood vessels includes Longtu Road about 17973 square meters (including Jinzhou Road about 1333 square meters), Third Ring Road about 39376 square meters, Boutique Community about 1 1535 square meters, Chadianzi Station about 907 square meters, and Jinkeyuan Community about/kloc-0. Kloc-0/60 m2, Yingbin Avenue covers an area of about 3 19 15 m2, with a total area of about 285,992 m2. Trees mainly include ginkgo biloba, Ligustrum lucidum, vines, etc., and vegetation includes safflower and seasonal flowers. Due to construction and other factors, the green area for maintenance and management may be less than the above total area, so when performing the contract, it shall be calculated according to the actual vascular area.

(2) Technical and service requirements:

1, the leaf color is normal, the leaves are large and thick, the leaves are not yellow, not burnt, not curly and leafless, there is no obvious insect excrement and insect nets, and the number of insect bites is below 10% per plant.

2. The trunk of the branch is straight, the inclination is not more than 10 degree, there are no tillering buds at the base of the trunk, the branches are thick, there are no obvious dead branches and piles, and there are basically no live eggs and insects that eat pests. It is dominated by scale insects, and there are basically no live insects on the side branches.

3, the crown is complete and beautiful, the branch points are suitable, the lateral branches are evenly distributed, the branch density is appropriate, the inner cavity is not chaotic, and the light is transparent.

4. The branch height, tree height and crown width of street trees are basically the same, and there is no shortage of two consecutive trees, and the height difference between adjacent five trees is < 10%.

5. The flowering rate of flowering shrubs is high, the flowers are lush, and there is no phenomenon of falling flowers and buds. Color block shrubs have no broken trees, the coverage rate reaches 100%, the color blocks are clear and the lines are clear and smooth.

6, hedges, modeling shrubs outline clear, smooth surface, no vacancy, no branches, no binding.

7. The vine distribution is reasonable, the branches and leaves are evenly covered and firmly attached, and the coverage rate is over 85%.

8. Wild vegetable flowers grow vigorously and flourish, with no residual flowers and leaves. The flower beds are neat and beautiful, with flowers in all seasons, distinct layers, clear patterns and appropriate color matching.

9. The lawn grows luxuriantly, the leaf color is normal, there is basically no bald spot, no hay layer, no weeds, no pests and diseases, the coverage rate is over 98%, and the stubble height is always maintained at 6-8cm.

10. The bidder must set up a professional maintenance department in Jin Quan with 8- 10 personnel. There must be an organization chart of the maintenance department, and members must have corresponding qualification certificates (originals).

1 1. Clean trees and shrubs regularly, apply fertilizer regularly, spray pesticides, water, etc. , timely and effective control of pests and diseases.

12, the winning bidder is self-sufficient in raw materials, seedlings, maintenance personnel, tools, etc., and the accommodation of maintenance personnel is solved by the winning bidder.

13, the nursery stock maintenance and management must meet the requirements of the first-class standards for street trees, parks and closed street green spaces in the Urban Garden Green Space Maintenance Standard (see annex), but the preservation rate is 100%.

14. Health management: the green space is clean, the ground is clean, and there is no garbage and sundries. Green water surface is clean and sanitary, and there is no floating surface.

15. administrative system management: the public green space management and maintenance management system has been fully implemented, with detailed work logs. Public green space planning and design drawings, plant configuration drawings and other engineering construction management documents are complete and detailed.

Maintenance standard of urban garden green space

A, road greening maintenance management standards

(a) street trees two or three

1 The survival rate of new afforestation is over 95%. In dry areas with strong acid and alkali, it is as high as 95% and above 85%.

2

Tree skeleton (same road) The trunk is straight, the main branches are evenly distributed, the branch points are equal in height, and the crown is unbiased. The trunk is straight, with 3-5 main branches, evenly distributed, and the branches are equally high and basically unbiased. The main branch has 3-5 branches, which are unevenly distributed, and the height of branch points is basically equal, with little phenomenon of partial crown.

three

Trees grow luxuriantly, without clumps, horizontal branches, vertical branches, pests and diseases, and dead branches. The branches and leaves grow well, and there are no obvious clustered branches, cross branches, drooping branches, pests and diseases branches and dead branches. Branches and leaves grow poorly, and clustered branches, drooping branches, pest branches and dead branches are more common.

four

Work plan and implementation: righting, loosening soil to remove weeds, shaping and pruning, budding, water supply, pest control and other work will be carried out in a timely and orderly manner. The working effect corresponds to the growth of trees. If the rest of the work is basically carried out in time, the work effect corresponds to the growth of trees. If the rest of the work is not carried out in time, the work effect is average.

(two) street greenway greening isolation maintenance management quality standards

1

The crown of newly planted trees is straight without inclination, and the overall ornamental effect of trees among trees, trees between trees, growing spaces and layers is good. The crown is straight without inclination, and the overall ornamental effect of tree species, tree species, growth space and trees between layers is good. The crown is straight without inclination, and the overall ornamental effect of trees among trees, trees, growing spaces and layers is general.

2

Trees grow luxuriantly and have obvious advantages at the top. Natural and plastic plants have their own characteristics, and there are no plant phenomena, no climbing plants, loose soil and no weeds. Keep the lawn clean and level, without obvious pests and diseases. Lush foliage, obvious top advantages, natural and plastic plants with their own characteristics, no plant phenomenon, no climbing plants entangled, loose soil, no weeds. The lawn is clean and level, without serious pests. Branches and leaves grow in general, and there is no phenomenon of broken branches. There is a difference between natural plants and plastic plants. There is no serious shortage of plants and entanglement of climbing plants. The soil is loose and there are no weeds. The lawn is clean and flat, and there is generally no disaster caused by pests and diseases.

3 work plan and implementation have a work plan, and all work is carried out in time. There is a work plan, and all work is timely. The work plan is incomplete and the implementation is not timely enough.

Second, the public * * * green space maintenance management quality standards

(1) Parks and closed areas

Type I, II and III street green space.

1

Trees and shrubs have obviously full crowns, vigorous growth, lush foliage and no dead branches. The area of pests and diseases is less than 5%, the survival rate of new afforestation is over 90%, and the preservation rate is 95%. The trunk (tree) is obviously full in crown shape and grows well. The area of dead branches is less than 8%, the survival rate of newly planted trees is over 90%, and the preservation rate is 90%. The trunk (tree) has obvious crown shape and average growth, the dead branch area is less than 10%, the survival rate of newly planted trees is over 88%, and the preservation rate is 90%.

2

The flowers and trees in the flower bed are strong, with no plants, fallen dead branches and residual flower branches, and they are in full bloom. The plants are relatively strong, with no plants, fallen dead branches and residual flower branches, and the flowers are relatively neat. Generally, there is no shortage of plants, no lodging, no wilting of pests and diseases, and the residual flower branches bloom as scheduled.

three

Turfgrass seeds have a purity of more than 95%, flourish, clean ground and no obvious pests and diseases. The purity of grass seeds is above 90%, and it grows luxuriantly, with clean ground and no obvious pests and diseases. The purity of grass seeds is above 90%, the growth is average, the ground is clean, and there is no large area of pests and diseases.

four

Hedges grow vigorously, with dense branches and leaves, flat on three sides, with lines on both sides, and no broken plants and dead branches. Good growth, dense branches and leaves, basically flat on three sides, with lines on both sides, no shortage of plants, broken lines, hanging feet, withered pests and diseases. The growth is average, with three sides and two rows visible, and there is no long-term lack of plants and dead branches.

The plants planted in the rockery are in good growth condition, firm, complete and undamaged. The solid and complete plants planted on the mountain grow normally. The solid and complete plants planted on the mountain grow poorly.

(two) quality standards for the maintenance and management of flower beds and small gardens in open-air squares.

1

Trees and shrubs have complete crowns, no obvious mechanical damage to branches, and the area of pests and diseases is less than 10%. The crown is intact, the mechanical damage of branches is obvious, and the area of pests and diseases is less than 20%. Incomplete crown, serious mechanical damage to branches and common diseases and insect pests.

2

The flower bed seedlings are robust, grow well, the ground is loose, there are no weeds, and there are no obvious pests and diseases. The flower seedlings are robust, with average growth, loose ground, no weeds and obvious pests and diseases. The flower seedlings are not strong, the growth is poor, and the grass moss and pests are serious.

three

The purity of turfgrass seeds is above 80%, the ground is clean and there are no obvious pests and diseases. The purity of grass seeds is above 70%, the lush ground is cleaner and the pests and diseases are more obvious. The purity of grass seeds is above 60%, the growth is poor, the ground is clean, and the pests and diseases are serious.

four

The hedgerow has dense branches and leaves, the surface lines are smooth after pruning, and the rate of missing plants, dead branches and diseases and insect pests is below 10%. Dense branches and leaves are pruned, the surface lines are smooth, and the rate of missing plants, dead branches and pests and diseases is below 15%. The branches and leaves are not luxuriant, the pruning is not neat enough, the lack of plants, the withering of branches and leaves, and the serious pests and diseases.

The rockery is solid and complete, and the supporting plants grow well. The mountain is solid and complete, and the miscellaneous plants grow in general. The mountain is solid and complete, and the hybrid plants are not growing well.

Three, the growth of green space maintenance management quality standards

(a) nursery protection and management level one, two and three.

1

The seedling rate of sowing is over 95%, the growth is lush and tidy, the spacing between plants is reasonable, there are no pests and weeds, and all management work is carried out in a planned and timely manner. The seedling rate is over 90%, the growth is lush and tidy, the spacing between plants is reasonable, the pests and diseases are not obvious, and there is no shortage of grass. The seedling rate is above 80%, the growth is generally neat, the spacing between plants is not uniform enough, and pests and weeds are common.

2

The seedling rate of soft grafting is over 90%, and it grows luxuriantly and neatly, without pests and weeds. The seedling rate is over 80%, and it grows luxuriantly and neatly, without pests and weeds. The seedling rate is over 70%, the growth is average, and pests and weeds are common.

three

The survival rate of transplanted seedlings is over 98%, with lush growth, neat tree shape, loose soil, no pests and diseases, and no weeds. The seedling rate is over 90%, with lush growth, neat tree shape, loose soil, no pests and weeds. The seedling rate is over 80%, the growth is average, the tree shape is neat, the soil is loose, and the lack of grass is common.

(two) flower garden, greenhouse flower conservation and management

1

The seedling rate of flowers in the open field is over 98%, with lush growth, neat corolla, timely flowering, loose soil, no weeds and no diseases. The seedling rate is over 95%, and it grows vigorously, blooms in time, the soil in the basin is loose, there is no long grass, and there are no obvious pests and diseases.

2

The seedling rate of flowers in greenhouse is over 98%, with lush growth, neat corolla, timely flowering, delayed flowering, loose soil, no weeds and no diseases. The seedling rate is over 95%, and it grows luxuriantly. Some flowers can accelerate and prolong the flowering period when they bloom, and the soil in the basin is loose without obvious pests and weeds.

Fourth, evaluation

I. Scope of assessment

Parks, road greening, squares, street public green spaces, etc.

Second, the assessment content

(1) Street trees: trim and edge in time; Fertilize, water and weed on time; Enrich the body's resistance in time to prevent and treat diseases; Ensure that the trunk of street trees is straight and the crown is basically the same.

(2) Flower beds, greening and car-separating areas: timely intertillage, weeding, fertilizing, watering and cleaning, timely pruning, pruning, impurity removal, insect prevention and guardrail maintenance, so as to ensure lush flowers and shrubs, lush lawns and ground cover plants, neat green and colored blocks and neat garden sketches.

(three) square, scenic green space, management personnel in place, on-site management in an orderly manner, vegetation intact, clean and hygienic.

(four) the appearance of the garden: the garden is clean and tidy, the garden is beautiful, the facilities are in good condition, the management is orderly, and there is a standardized and sound internal assessment management mechanism.

(5) Four-season flower beds: flowers should be replaced in time, the colors should be properly coordinated and the flowering period should be consistent. Watering, pest control, fertilization, weeding, cleaning and replacement are timely and timely.

(6) The preservation rate of all kinds of trees and shrubs turf can meet the first-class standard in the Maintenance Standard of Urban Garden Green Space, but the preservation rate is 100%, and the dead seedling turf will be replanted by the winning bidder.

(7) Plant maintenance and management requirements: Trees and shrubs grow luxuriantly, and loess in green space shall not be exposed. Prune all kinds of plastic trees, flowering shrubs and hedges in time, and timely prune dead branches, damaged branches and diseased branches of trees, so that trees, shrubs and hedges can grow effectively without diseased branches and dead branches. Lawn should be trimmed and mowed in time, and the height of grass should not exceed 8 cm. The main plants have no obvious pests and diseases, and the pest control rate should reach 100%.

(8) Garden facilities management: Garden roads, flower beds, kerbs and other facilities should be well maintained, and pipe network facilities such as water supply, drainage and sprinkler irrigation should be well maintained. If there are green billboards, signboards and no-go signs, they must be eye-catching, perfect and standardized. Garden facilities due to human activities and vehicle damage, supervision by the winning bidder, the winning bidder to recover.

(9) Ancient and famous trees: Special personnel shall be responsible for timely pest control, pruning, shading and hole filling.

(10) Safe production and civilized construction: there are no major safety accidents and general accidents, and the materials shall be cleared after work, and the site shall be cleared after work.

(1 1) Other: complete other tasks assigned by superiors as required.

Third, the evaluation method.

(a) the assessment team is composed of the Urban Management Department of Jin Quan Sub-district Office.

(two) the assessment adopts a combination of regular assessment and irregular assessment. The score of regular assessment accounts for 60% of the total score, and the score of irregular assessment accounts for 40% of the total score. Regular assessment shall be conducted once every quarter, and irregular assessment shall be organized by the assessment team at any time as needed, not less than once a month.

(three) the assessment team according to the assessment rules for scoring. 90 points for passing the examination. If the score is below 90 points, 2% of the quarterly maintenance fee will be deducted for each reduction of/kloc-0. If the assessment score is less than 80 points, informed criticism will be given, and the current maintenance fee will be deducted by more than 30%.

(four) if the city and district inspection found that there are dead branches in the blood vessels of the winning company, which will affect the score of the street office, 300 yuan will be deducted at one time.