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2018/01/25 Tender announcement
Hohhot regional conservation subcontractors competitive negotiation notice
First, the contractor: Inner Mongolia Mengcao Ecological Environment (Group) Co., Ltd. Hohhot area
Second, the project overview
(A) Project Name: Hohhot Regional Conservation Project
(B) Project Code: MCSTHJ-2018-GCFB002
(C) Project Location: Hohhot area
(D) Project Overview:
The project site is located in Hohhot, the bidding for the conservation subcontractor bidding.This project is divided into four sections, of which:
A section of arboretum about 14000 trees (about 1,600 plants replantation), about 1500 clusters Cong shrubs (about 250 plexus replanting), shrubs about 15000 square meters (replanting about 2500 square meters), to 5000 square meters and weeds 200000 square meters , Hardening and road cleaning about 15,000 square meters;
The second section of the arbor about 9700 trees conservation, about 3200 ㎡ shrubs, replanting and conservation of about 1100 trees, shrubs about 400 ㎡, under the weeds (including shrubs, seedlings hydrosphere) and cleaning about 140,000 ㎡, hardening Paving and road cleaning about 5700 square meters;
About 3,869 trees were planted in the three-level section, about 1,200 trees were planted and conserved. About 2,500 square meters of ground cover and about 3,000 square meters of shrubs were hardened and 21,000 square meters of road cleaning was maintained. Herbicides (including shrubs, ground cover, Within) and cleaning about 65,000 square meters;
About 500 trees are planted in the four-segment section, about 200 trees are replanted and maintained. About 2150 square meters of ground cover and about 800 square meters of shrubs are hardened and about 1000 square meters of road cleaning are provided. Herbicides (including shrubs, ground cover, Within) and cleaning about 15,000 square meters.
Now the above tenders for subcontractors competitive negotiation. (Party A provides the main material: pesticides, whitening agent, etc., all auxiliary suppliers)
(Five) work content:
1, afforestation Replanting content: trees, Cong bushes shrubs, to be planted.
2, the conservation of the content: including seedlings Shuishui circle, repair support, weeding, pruning, wiping buds, in addition to evil, pest control, Tu Bai, green cleaning, garbage removal and transportation.
3, hardening and road cleaning.
(F) Duration: 329 calendar days
Planned start date: February 5, 2018
Planned completion date: December 31, 2018
Third, the quality and technical requirements
(A) planting green
First, the tree requirements
1, dig planting hole
Determine the point of lime as the center along the four weeks digging planting holes, planting hole size according to soil specifications and the root system may be, with the earth ball should be larger than the earth ball 16-20cm, naked root seedlings should ensure adequate root stretch, pit The depth should be 10-20cm deeper than the height of the earth. The shape of the pit should generally be round, and ensure that the upper and lower caliber consistent; base must be applied at the bottom of the base fertilizer. When planting, loosely fill the top of the pit with about 15cm thick topsoil.
2, planting
① visual observation of seedlings facing the direction of orientation; ② pay attention to the depth of planting seedlings;
③ planting backfill should be layered and practical.
3, support rod
(1) The height of the support rod when lashing
① evergreen trees not less than two-thirds of the trunk; ② deciduous trees not less than one-half of the trunk of the tree;
③ the length of the same pillar, the same binding direction of the binding material after the binding of the lead wire tail in the same direction.
(2) Shui position located in the support rod 1/3, the support rod column foot should be buried in the soil of not less than 20cm, to ensure solid.
(3) The supporting points of the connecting trees shall be on the trunk of the tree, and the connecting place shall be lined with cushions and tightly fastened to prevent the bark from being damaged.
4, water circle
① hydrosphere diameter: the diameter of the reverse water ring should be greater than the diameter of the tree hole;
② If the construction of anti-water ring, weir height of not less than 10cm, was gentle slope, water circle arc beautiful and smooth;
③ in the outer edge of the nursery stockade, water circle is circular, outer weir sleek, top flat, solid weir to ensure no leakage, not running water; (on the back to the water ring)
④ hydrosphere was circular, the outer edge of 45 degrees to 60 degrees into the slope. (Back to the water ring)
5, pruning seedlings
① seedlings should be non-destructive broken branches, dead branches, pests and other serious branches;
② branches of deciduous trees should be cut off from the base, leaving no clogs, notches smooth, not splitting;
③ branches short cut should stay outside the bud, notch should leave the location above the bud 0.5cm.
6, after the watering soil
After watering, etc. completely infiltrated, then sealing, caving, sealing weir dam construction. Appear trees tilt, to be timely correction, and to be fixed.
Second, shrubs requirements
According to the design requirements of the first release of the edge, construction of cofferdam, cofferdam site for internal leveling, then slotted. Bare root seedling grooving depth determined according to the length of the root system to ensure that the root system after embedding stretch. With soil ball seedlings determined according to the size of the soil ball, buried in the original soil marks and the ground surface flat.
Third, the ground is required
1, no ups and downs after planting, no garbage, water puddle.
2, earthball shall not be higher than the forming surface.
3, after planting edge and neat junctions tidy and neat without gaps.
(B) planting and conservation
1, watering: According to the water content to watering, dug deep around the plant 25cm, remove the soil for observation, if the hand can not be regrouped into a group need to watering; according to the local temperature, and frozen soil conditions timely pour antifreeze water, To ensure adequate irrigation; According to the local temperature, and soil thawing conditions, timely replenishment of green water, to ensure adequate irrigation; autumn seedling appropriate control of some.
2, pruning buds: to ensure the overall tree-shaped case, cut off sick branches, dead branches, breech branches, drooping branches, leggy branches, keep the tree neat and tidy, crown-shaped plump; After that, it should be promptly erased, to avoid causing leggy and lignified; after cutting the branches at any time to clean up, collect pile Qingyun handling, to maintain a beautiful environment clean and tidy.
3, tree circle: maintenance hydrosphere, refer to the construction of seedlings hydrosphere under construction standards, so that the water depth of not less than 25cm. Water circle is round, outer weir sleek, flat top, solid weir to ensure no leakage, no running water, to ensure that no weeds in the circle;
4, stand: at any time to check the nursery stock rod, support rod towards the change, to be promptly adjusted to the correct location. Hand and pull the support rod outwards, the top of the wire reinforcement appears loose, the column foot slightly loose soil stubble real, serious loose landfill and trample. Supports and trunks between the lining of the aging off, it should be replaced, and re-banding, filling column foot.
5, pests and diseases: the observation of seedlings found pests and diseases after pest and disease name, the right medicine, the correct use of matching exchange pesticides, spraying. Pesticide spraying must not be carried out during working hours, to be selected under the right weather conditions, do not spray in the rainy days of windy days. In case of rain after spraying, you need to make up spray. Spraying pesticides should be aware of the spraying area and the specific spraying site, and wear goggles, masks, gloves and other protective equipment, pay attention to stand in the wind to spray pesticides. Pesticide use to have collar manual, detailed registration. The finished pesticide bottle and sprayer are recycled in time and stored together for unified destruction.
6, Tu white
(1) The quick lime is added with water to cook, lime and milk are added by adding oil and stirring, and pour into the raw solution of lime and sulfur and brine, and stir well.
(2) white paint is strictly prohibited paint.
7, cleaning: garbage debris in the venue, the pruning branches of trees and shrubs, pruning lawn grass, pull out the weeds and other timely cleaning, hardening and pavement surface without debris, etc., to ensure that the venue clean and tidy;
Fourth, subcontractor requirements
Companies that are shortlisted in the company's Supplier Information Library and have greening experience can apply.
Five ways to quote
Integrated unit price (including tax) unit price method, the total price quotation.
1, the comprehensive unit price in the bill of quantities shall include the necessary labor costs, all mechanical construction fee, material fee, on-site temporary facilities fee, all the measures fee, other fees (transport fees, quality inspection fees, installation costs, defect repair Fees, insurance premiums, inspection and test fees, including but not limited to the risks, liabilities and obligations expressed or implied by the contract, as well as management fees, profits and taxes.
2. The bidder in the bill of quantities has not filled in the unit price or the price of the subheading, and the cost of the open competitive negotiator will be deemed to have been apportioned in the unit price or price of other related subheadings in the bill of quantities, and the implementation process will not be carried out Calculate and pay for fees.
Sixth, the tender method
Registration time: January 25, 2018 - January 31, 2018 18:00 (Saturday, Sunday without a break)
Obtain competitive negotiation documents Time: January 29, 2018 - January 31, 2018 18:00
(The Employer replies to the corresponding registration email by email, without the need of on-site payment).
Enrollment: Bidders fill out the "tender registration form", sign and confirm the registration deadline before sending back to the service center registration email mengcaocaigou@126.com. (Note: registration form required word version + scan stamp version).
Bidder question deadline: January 31, 2018 at noon before 12:00
Employer Q & A Time: January 31, 2018 Posted before 18:00 PM
Bid opening time: see the competitive negotiation documents
Bid Opening Location: Silver Plaza, Hohhot, Block B, third floor conference room
Tender application contact and telephone: Silver Jie 18247105442
Competitive negotiation documents Q & A contact person and phone: Bai Jing 15694716953
Site reconnaissance contact and telephone: Wang Zhigang 15248079056