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1、十—1松散層(Ⅰ類)鉆孔成井工作內(nèi)容:鉆機(jī)安裝、拆卸,泥漿加固井壁,鉆進(jìn),電測(cè)井,安裝井壁管,填濾料,封井,洗井,抽水試驗(yàn)。單位:100m項(xiàng) 目單位孔 徑(mm)450~500500~550550~600600~650650~700700~750技工工日45.2448.5051.7654.9758.2161.42普工工日105.57113.17120.77128.25135.82143.32合計(jì)工日150.81161.67172.53183.22194.03204.74刮刀鉆頭個(gè)0.861.011.181.381.621.89鉆桿Φ89m0.130.140.150.160.170
2、.18電焊條kg34.4537.142.447.7053.0060.95濾 料m35.546.768.115.9511.1812.90粘 土m324.0826.6229.1531.6934.2236.76水m368.8080.5094.20110.20128.90150.80井壁管鋼(鑄鐵)管m84.0084.0084.0084.0084.0084.00鋼筋混凝土管m80.0080.0080.0080.0080.0080.00過(guò)濾器鋼(鑄鐵)管m16.0016.0016.0016.0016.0016.00鋼筋混凝土管m20.0020.0020.0020.0020.0020.00鉆機(jī)3
3、00型臺(tái)班19.2120.7023.6126.5929.2633.85空壓機(jī)9m3/min臺(tái)班17.2018.2019.2020.2021.2022.20交流電焊機(jī)25kV·A臺(tái)班6.207.308.6010.0011.7013.70潛水泵7kW臺(tái)班3.884.755.556.367.147.84膠輪車臺(tái)班23.4027.4032.1037.5043.9051.30其他費(fèi)用%0.350.350.350.350.350.35定額編號(hào)100001100002100003100004100005100006注:(1)本節(jié)定額過(guò)濾器和井壁管長(zhǎng)度按一般情況擬定,具體比例由設(shè)計(jì)確定,濾料填筑量隨
4、取水層厚度而變化。(2)不同型號(hào)地質(zhì)鉆機(jī)臺(tái)班消耗數(shù)量調(diào)整系數(shù)鉆機(jī)型號(hào)500型400型300型200型150型調(diào)整系數(shù)0.940.981.001.061.08(3)不同鉆井深度人工、材料和機(jī)械臺(tái)班消耗調(diào)整系數(shù)見(jiàn)下表。若鉆井深度大于500m時(shí),每增加50m,增加0.4的調(diào)整系數(shù)。鉆井深度(m)≤5050~100100~150150~200200~250系數(shù)1.201.001.201.401.70鉆井深度(m)250~300300~350350~400400~450450~500系數(shù)2.002.402.803.203.60(4)鉆機(jī)是按電動(dòng)考慮的,若采用油料作為動(dòng)力時(shí),其鉆機(jī)臺(tái)班消耗量數(shù)量
5、應(yīng)乘以1.05的系數(shù)。十—2松散層(Ⅱ類)鉆孔成井工作內(nèi)容:鉆機(jī)安裝、拆卸,泥漿加固井壁,鉆進(jìn),電測(cè)井,安裝井壁管,填濾料,封井,洗井,抽水試驗(yàn)。單位:100m項(xiàng) 目單位孔 徑(mm)450~500500~550550~600600~650650~700700~750技工工日54.3858.2962.1766.0569.9473.87普工工日126.88136.01145.06154.11163.19172.35合計(jì)工日181.26194.30207.23220.16233.13246.22刮刀鉆頭個(gè)1.141.331.561.822.132.49鉆桿Φ89m0.230.240.
6、250.260.270.28電焊條kg40.9544.1050.4056.7063.0072.45濾 料m35.096.227.468.8210.2811.87粘 土m330.1033.2736.4439.6142.7845.95水m358.8068.8080.5094.20110.20128.90井壁管鋼(鑄鐵)管m84.0084.0084.0084.0084.0084.00鋼筋混凝土管m80.0080.0080.0080.0080.0080.00過(guò)濾器鋼(鑄鐵)管m16.0016.0016.0016.0016.0016.00鋼筋混凝土管m20.0020.0020.0020.002
7、0.0020.00鉆機(jī)300型臺(tái)班23.0824.8728.4331.7535.4540.87空壓機(jī)9m3/min臺(tái)班15.1016.1017.1018.1019.1020.10交流電焊機(jī)25kV·A臺(tái)班8.209.6011.2013.1015.4018.00潛水泵7kW臺(tái)班3.884.755.556.367.147.84膠輪車臺(tái)班30.7035.9042.0049.1057.5067.30其他費(fèi)用%0.350.350.350.350.350.35定額編號(hào)