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在我國，市政設施是指在城市區、鎮（鄉）規劃建設范圍內設置、基于政府責任和義務為居民提供有償或無償公共產品和服務的各種建筑物、構筑物、設備等。城市生活配套的各種公共基礎設施建設都屬于市政工程范疇，比如常見的城市道路，橋梁，地鐵，比如與生活緊密相關的各種管線：雨水，污水，上水，中水，電力（紅線以外部分），電信，熱力，燃氣等，還有廣場，城市綠化等的建設，都屬于市政工程范疇。建(jian)設部負責全國(guo)工(gong)期定額(e)管理(li)工(gong)作，各省、自治區、直轄市建(jian)委（建(jian)設廳）負責本地區工(gong)期定額(e)管理(li)工(gong)作。

　各(ge)地建(jian)(jian)(jian)設(she)(she)主管(guan)(guan)部(bu)門所(suo)屬定(ding)額(e)站(zhan)內應設(she)(she)專門機(ji)構具(ju)體負(fu)責工(gong)(gong)(gong)期(qi)定(ding)額(e)管(guan)(guan)理(li)(li)工(gong)(gong)(gong)作。主要(yao)(yao)職責;根據本地區、本部(bu)門情況，編制補充定(ding)額(e)工(gong)(gong)(gong)期(qi)水平，制定(ding)工(gong)(gong)(gong)期(qi)定(ding)額(e)管(guan)(guan)理(li)(li)細(xi)則，補充部(bu)分(fen)作出統一解釋。要(yao)(yao)將(jiang)工(gong)(gong)(gong)期(qi)定(ding)額(e)及其(qi)編制說明等有(you)關文件轉發市政(zheng)公(gong)用工(gong)(gong)(gong)程計(ji)劃、設(she)(she)計(ji)、施工(gong)(gong)(gong)、監理(li)(li)、建(jian)(jian)(jian)設(she)(she)銀(yin)行等單位，必要(yao)(yao)時可召開交底會或組(zu)織業(ye)務培訓(xun)工(gong)(gong)(gong)作。監督、協調(diao)工(gong)(gong)(gong)期(qi)定(ding)額(e)的實施。在某些(xie)市政(zheng)公(gong)用工(gong)(gong)(gong)程建(jian)(jian)(jian)設(she)(she)過程中，由(you)于特殊(shu)原(yuan)因合(he)同(tong)(tong)工(gong)(gong)(gong)期(qi)需要(yao)(yao)變動時，施工(gong)(gong)(gong)企(qi)業(ye)要(yao)(yao)有(you)正(zheng)式報(bao)告，建(jian)(jian)(jian)設(she)(she)單位同(tong)(tong)意(yi)后，方可調(diao)整總(zong)工(gong)(gong)(gong)期(qi)。如有(you)爭議，由(you)主管(guan)(guan)部(bu)門裁(cai)定(ding)。

對于需要(yao)壓(ya)縮工期的(de)工程項目，嚴(yan)格審定，在確(que)認有保證質量、安全施工的(de)工程措施費(fei)用后，方(fang)可(ke)簽訂合同工期，由于不適當(dang)地壓(ya)縮工期，造成質量下降或出(chu)現(xian)質量與安全事故(gu)時，必(bi)須追究簽約人的(de)責任。

對于兩項或(huo)兩項以上(shang)市(shi)政公用工(gong)(gong)程(cheng)同時交叉施(shi)工(gong)(gong)的工(gong)(gong)期應以定(ding)額為基礎，編制綜合(he)項目、合(he)理交叉施(shi)工(gong)(gong)進(jin)度(du)計劃或(huo)綜合(he)施(shi)工(gong)(gong)網(wang)絡圖，取關鍵線路(lu)工(gong)(gong)期或(huo)工(gong)(gong)期長的單項工(gong)(gong)程(cheng)工(gong)(gong)期乘(cheng)以1．1～1．3的系數。

凡在承(cheng)包工(gong)程施工(gong)合(he)同中執行(xing)經過(guo)(guo)審定的工(gong)期者(zhe)，可根據國家有(you)關文件規定，實(shi)行(xing)工(gong)期獎(jiang)懲辦法，獎(jiang)懲標準(zhun)以合(he)同工(gong)期為(wei)準(zhun)，每提(ti)前一天或拖后一天，獎(jiang)或懲金(jin)額(e)均為(wei)工(gong)程造(zao)價的萬(wan)分之一至二，但獎(jiang)懲金(jin)額(e)不得超過(guo)(guo)工(gong)程總造(zao)價百分之三(san)。

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